1 The design was
observational,
21 of 36 studies had serious ROB, and pub
2 nicalTrials.gov, NCT02279537) is an ongoing,
observational,
4-year study to monitor the effectiveness
3 We estimated
observational analogs of 6-year intention-to-treat and p
4 ttribute the two extreme situations based on
observational analyses and numerical experiments.
5 In
observational analyses, children living in housing units
6 First, to corroborate previous
observational analyses, we used traditional statistical
7 tal health and cognitive function using both
observational analysis and Mendelian randomization.
8 This exploratory,
observational analysis examined adherence, dietary intak
9 n Octopus bimaculoides with a frame-by-frame
observational analysis of laboratory video footage in wh
10 Here we conduct a systematic
observational analysis of soil moisture feedbacks on pro
11 bstracts were screened, and 178 studies (165
observational and 13 interventional) from 33 countries w
12 ening to populations enrolled in large-scale
observational and clinical trials.
13 ield of nutritional psychiatry has generated
observational and efficacy data supporting a role for he
14 empirically grounded and propose a series of
observational and experimental approaches to test its va
15 n and provision of harmonized soil data from
observational and experimental sites is crucial for furt
16 Human and animal
observational and experimental studies were included.
17 dged, nutrients are still often neglected in
observational and experimental synthesis studies due to
18 y, we propose a study design that integrates
observational and experimental techniques to test a pere
19 Observational and genetic analyses demonstrate a concord
20 The search included
observational and interventional studies of healthy chil
21 All
observational and interventional studies that measured p
22 Here we provide
observational and model evidence that expanding irrigati
23 patients were included in the trial (n = 80
observational and n = 100 randomized controlled part [20
24 e of Tpo-RAs during pregnancy, a multicenter
observational and retrospective study was conducted.
25 We demonstrate that future
observational and theoretical studies of terrestrial exo
26 Then, we quantified spillover in
observational antibiotic use and resistance data from US
27 Here we use a ground-breaking
observational approach to determine the controls on the
28 Whether or not these
observational associations are causal remains uncertain.
29 le; recruitment 2008-2015), confirming prior
observational associations between height and atrial fib
30 minthic treatment on metabolic outcomes, and
observational associations between helminths and metabol
31 nd alpha1-acid glycoprotein (AGP)] for which
observational associations were detected.
32 After adjusting for
observational bias, the proposed model reproduces key st
33 The research on LSD and ayahuasca is
observational,
but available evidence suggests that thes
34 discover the known causal relationships from
observational clinical data and (ii) to offer guidance t
35 In the
observational cohort (N=61), CYP2B6 slow metabolizers ha
36 Study designs eligible for review included
observational cohort and case-control studies and random
37 mples were collected from participants in an
observational cohort in Australia.
38 We conducted a retrospective
observational cohort investigation of 297 adults admitte
39 Observational cohort of HF patients with advanced CKD (e
40 All were
observational cohort or case-control studies carried out
41 We included 41
observational cohort studies describing 2062 patients (4
42 lled trials, quasi-experimental designs, and
observational cohort studies reporting corticosteroid ve
43 iotics and outcomes, almost all of which are
observational cohort studies.
44 H, available DNA and 6-month follow-up in an
observational cohort study (CROMIS-2).
45 n to an arteriovenous fistula and graft, our
observational cohort study analyzed US Renal Data System
46 uary 2004 and 31 December 2014 and a genomic
observational cohort study evaluating genotyped patients
47 mission.Methods: We performed a prospective,
observational cohort study in an ICU at a university hos
48 The
observational cohort study included 48,026 individuals w
49 tion with clinical severity in a prospective
observational cohort study of 100 patients with PCR-conf
50 Retrospective
observational cohort study of 2016 to 2017 Medicare Curr
51 We conducted a prospective
observational cohort study of 711 people with heart fail
52 This study was a retrospective,
observational cohort study of adult patients at an acade
53 In this 24-center, prospective,
observational cohort study of children with confirmed in
54 We conducted a retrospective
observational cohort study of discharged patients with c
55 We conducted an
observational cohort study of patients prescribed clarit
56 Chronic Kidney Disease in Children study, an
observational cohort study of pediatric CKD patients fro
57 An
observational cohort study using the Clinical Practice R
58 A nationwide,
observational cohort study was performed including all p
59 An independent, prospective,
observational cohort study was performed involving 127 t
60 A prospective single-system multi-center
observational cohort study was performed on patients who
61 A retrospective, multicenter,
observational cohort study was performed.
62 In the
observational cohort study, we calculated hazard ratios
63 In this multicenter, prospective,
observational cohort study, we enrolled patients aged 6
64 stance mutations had no impact in this large
observational cohort.
65 were validated using samples from year-long
observational cohorts conducted in Thailand, Brazil and
66 Previous
observational comparisons of NOACs are likely to be bias
67 As an
observational component of the trial, a clinically blind
68 This provides an
observational constraint to future studies of the geodyn
69 Observational constraints using sea surface temperature
70 ort the 36-month follow-up of a prospective,
observational,
controlled, international multicentre stu
71 In this
observational cross-sectional multicenter study of 340 p
72 This was an
observational,
cross-sectional and descriptive study of
73 nsortium (CCC19) aims to collect and analyze
observational data at scale to inform clinical practice
74 Using biomechanical simulations and
observational data from human participants, we demonstra
75 Pooled
observational data from seven studies on 385,901 partici
76 While
observational data from systematic camera arrays have in
77 s endeavour and argue that beyond collecting
observational data on the microbiome and behaviour from
78 Observational data suggest associations between marijuan
79 However,
observational data suggest that excessive diastolic bloo
80 Observational data suggest that low vitamin D status is
81 Laboratory and
observational data suggested that hydroxychloroquine had
82 ey are generally less skillful at predicting
observational data that are either raw or minimally filt
83 validity of drawing causal conclusions from
observational data, a plausible explanation for our find
84 evidence consisted of systematic reviews of
observational data, consensus guidelines, and RCTs.
85 However, as with all analytic methods using
observational data, residual confounding will remain; on
86 Notwithstanding the limitations of
observational data, the associations may reflect differe
87 commonly, but this surge is mostly based on
observational data.
88 lded hydrogen, but no methane, authentifying
observational data.Three patients, all diagnosed with in
89 In this study, we used the Enroll-HD
observational database to assess the effects of antidopa
90 2008, tracked in the prospectively designed
observational database, the Fight Retinal Blindness!
91 e ensemble median or mean compares better to
observational datasets than any individual model, we con
92 This is an
observational,
descriptive study including all TB cases
93 The
observational design limits causal inference.
94 main limitation of the present study is the
observational design with self-reported lifestyle inform
95 itations of this study include the use of an
observational design, which may be subject to unmeasured
96 The main limitation of this study is the
observational design.
97 ies lack meaningful active comparators, have
observational designs, and might not collect patient-rel
98 DESIGN, SETTING, AND PARTICIPANTS:
Observational difference-in-difference analysis using Me
99 We conducted an
observational difference-in-differences study using admi
100 f DCCT, when 96% of participants entered the
observational Epidemiology of Diabetes Interventions and
101 Empirically, we synthesize experimental and
observational evidence from studies of children and adul
102 Observational evidence suggests that mask wearing mitiga
103 Reaction-diffusion modeling and
observational evidence support a role for CA activity in
104 Our results contribute important
observational evidence that reforestation in the tempera
105 es, for decades there remained little direct
observational evidence that revealed the effects of thes
106 ntation for observational rewards as well as
observational expected reward values.
107 These data lay the foundation to examine
observational fear learning mechanisms that might contri
108 takes the biology of masting from a largely
observational field of ecology to one rooted in mechanis
109 An
observational follow-up study was carried out for 1 year
110 ait and (2) whether there are differences in
observational gait skills between PT and individuals wit
111 (TCGA), and a Memorial Sloan Kettering (MSK)
observational immunotherapy cohort for their inclusion i
112 Albeit preliminary and
observational in nature, these analyses provide support
113 8764) is an ongoing prospective longitudinal
observational investigation that began in 2006.
114 ever, the source of this outgroup deficit in
observational learning remained unknown, which limits ou
115 I, Bronte, Ugel, and colleagues performed an
observational longitudinal study to evaluate the use of
116 Observational longitudinal study with multilevel, multiv
117 This challenge limits the usefulness of
observational meta-analyses for inferences about etiolog
118 ents with COVID-19 ARDS.Methods: Prospective
observational monocenter study.
119 This is an
observational,
multicenter, international study.
120 ary to many of those claims, this paper uses
observational multiplatform data capturing both desktop
121 The main limitation of our study is its
observational nature, meaning that we are unable to defi
122 oculation was implemented since 2016, longer
observational period is needed to clarify the exact seve
123 A 12-hour
observational period was used to evaluate the following
124 Biopsies, taken on day 10 and after a 5-day
observational period, were assessed for macroscopic alte
125 In an
observational pilot study, 28 lung transplant recipients
126 Here we use multiple
observational platforms and an eddy-resolving ocean mode
127 e of daily pollen data across the U.S. where
observational pollen data are not reliably available.
128 From the prospective,
observational,
population-based EPICE cohort study (all
129 Observational Procedure: The disc and PPR were imaged by
130 The Tysabri
Observational Programme (TOP), which began >10 years ago
131 136 individuals were incorporated into this
observational,
prospective cross-sectional study: 68 mil
132 This
observational,
prospective, non-interventional study enr
133 for the prokaryotic immune repertoire in the
observational range.
134 This multicentric, prospective,
observational,
real-life study included adult patients w
135 are therefore poorly represented within the
observational record.
136 bility in the basin are limited by the short
observational record.
137 osed by the spatiotemporal sparseness of the
observational record.
138 sized data, and moreover it can also predict
observational recruitment data very well.
139 vascular Disease Registry is a retrospective
observational registry capturing consecutive patients ho
140 nfounding caused by unmeasured factors in an
observational research design.
141 g hypotheses, and the current limitations of
observational research in the field.
142 ot all factors associated with depression in
observational research may translate into robust targets
143 In this multicentric
observational retrospective cohort study, we included al
144 This was an
observational retrospective study.
145 We conducted an
observational,
retrospective cohort study involving hosp
146 the amygdala and found a representation for
observational rewards as well as observational expected
147 arch on migratory behavior is constrained by
observational scale [2], limiting ecological understandi
148 This multi-center, prospective, open-label,
observational,
single-arm trial of 1200 patients across
149 Case reports,
observational studies (cohort, case-control), and random
150 patient datasets obtained from retrospective
observational studies and prospective clinical trials.
151 nciling differences between experimental and
observational studies and providing evidence for the sha
152 , although diagnostic accuracy varies across
observational studies and types of IE.
153 Randomized and
observational studies consistently demonstrate increased
154 Randomized and
observational studies demonstrate pitolisant to be effec
155 Randomized controlled trials and prospective
observational studies evaluating pre and post-procedure
156 There are few
observational studies evaluating the risk of AKI in peop
157 Rationale: There are no prospective
observational studies exploring the relationship between
158 Clinical
observational studies have identified potential modifiab
159 Observational studies have linked low vitamin D status t
160 Experimental and
observational studies have raised concerns that giving i
161 cy, is prevalent; this is of concern because
observational studies have shown negative associations w
162 Observational studies have suggested that earlier surger
163 Prior
observational studies have suggested that medications ta
164 ed a study according to the Meta-analysis of
Observational Studies in Epidemiology guidelines for rep
165 supported by experimental animal models and
observational studies in humans, findings from intervent
166 Two hundred twenty-four RCTs and 3
observational studies including more than 240 000 patien
167 Observational studies indicate an association between hy
168 ed for confirmatory endomyocardial biopsies;
observational studies indicate that the diagnosis of ATT
169 Observational studies indicate that the genetically dive
170 A challenge of meta-analyzing results from
observational studies is that summary measures of risk d
171 Observational studies of dietary fat intake and breast c
172 s assessments, in particular, for reviews of
observational studies of environmental exposures, and we
173 From
observational studies of natural infection and challenge
174 However, results from
observational studies of serum retinol and cancer risk h
175 ust 2017 was conducted, selecting controlled
observational studies of the association of prenatal ant
176 In
observational studies of the general population, higher
177 We included
observational studies on the association between HPV and
178 Observational studies point to an inverse correlation be
179 ed controlled trials (RCTs), and comparative
observational studies published from 2007 through 2019.
180 nd prospective and retrospective comparative
observational studies published from 2008 through 2019.
181 Two meta-analyses of
observational studies reported no significant associatio
182 iews and Meta-Analyses guidelines, including
observational studies reporting long-term sequelae, HRQo
183 Observational studies suggest 25(OH)D clearance from the
184 Although the
observational studies suggest that prediabetes is broadl
185 Twenty
observational studies suggested a significant associatio
186 Emerging evidence from
observational studies suggests that both slow and fast r
187 among clinicians on how to critically review
observational studies that have incorporated these analy
188 Birth cohorts are those among
observational studies that provide understanding of the
189 for randomised controlled trials (RCTs) and
observational studies that reported adverse events in pr
190 predator-prey interactions, the capacity for
observational studies to identify mechanistic drivers of
191 In
observational studies using routinely collected data, a
192 Observational studies using traditional research designs
193 ed trials (RCTs), non-RCT interventions, and
observational studies was conducted.
194 utilized when available; however, data from
observational studies were also reviewed.
195 Observational studies were limited by confounding by ind
196 All interventional and
observational studies were reviewed, and results were ex
197 Forty-eight
observational studies with 594 784 unique patients with
198 ty-one studies (2'930 patients, five RCT, 16
observational studies) were retained for the analysis.
199 ontrolled trials) or Newcastle-Ottawa Scale (
observational studies).
200 in randomized trials) and selection bias (in
observational studies).
201 ndings from randomized controlled trials and
observational studies, additional studies are needed to
202 r, there are currently no reliable data from
observational studies, as the high variability in the fl
203 Observational studies, clinical trials, qualitative stud
204 Based on the meta-analysis of
observational studies, each 1-standard deviation (SD) hi
205 a and cost estimates in 2016 US dollars from
observational studies, health facility costings and publ
206 In contrast to
observational studies, in which discerning the cause-and
207 luded one randomised controlled trial and 25
observational studies, provided results for 5,143 adult
208 c analysis of data collected for prospective
observational studies, the authors studied 293 study par
209 ials, meta-analyses, systematic reviews, and
observational studies.
210 ng these systems has been based primarily on
observational studies.
211 ations will improve the quality of EHR-based
observational studies.
212 Blood Institute quality assessment tool for
observational studies.
213 h decreased risk for SARS-CoV-1 infection in
observational studies.
214 gy guidelines for reporting meta-analyses of
observational studies.
215 nd circulating cholesterol concentrations in
observational studies.
216 rable to those from intervention and genetic
observational studies.
217 ded-10 RCTs, 4 non-RCT interventions, and 23
observational studies.
218 plemented by a systematic review of relevant
observational studies.
219 nd control for confounding was inadequate in
observational studies.
220 consistent findings of randomized trials and
observational studies; that animal products skew the die
221 6 patients were recruited into a prospective
observational study (DRKS00005335) upon admission into o
222 We conducted a multicentre, prospective,
observational study (PERFECT-trial).
223 Metabolite discovery among 904 WHI
Observational Study (WHI-OS) participants was replicated
224 nducted a quasiexperimental before-and-after
observational study and analyzed 3 groups with different
225 The findings from our
observational study and causal MR analyses, together wit
226 A cross-sectional
observational study assessed dietary intake from 32 AN a
227 This
observational study compared palatal rugae morphology in
228 We included any
observational study comparing the peripheral blood level
229 RACER was a 12-month, prospective,
observational study conducted in treatment-naive, adult
230 This
observational study did not show better outcomes after a
231 We report a prospective
observational study done during epidemics of Zika and ch
232 is a prospective, multicentre, longitudinal,
observational study done in 56 neurosurgical centres acr
233 EXPECT) pregnancy registry was a prospective
observational study established in 2006 to evaluate peri
234 lenge of obtaining fresh tissues.METHODSThis
observational study evaluated 6 individuals with HIV (n
235 is an open-label, multinational, prospective
observational study evaluating the long-term safety and
236 of 16 participant centers, this multicenter
observational study identified validation patients, who
237 We performed an
observational study in 256,661 women from UK Biobank, bo
238 Retrospective
observational study in 59 aniridic and aphakic eyes for
239 We conducted a prospective,
observational study in 7 primary care clinics, in which
240 e performed this prospective cross-sectional
observational study in a multi-site London hospital.
241 This
observational study in a real-world setting indicates th
242 b-AKI based on penKid.Methods: A prospective
observational study in ICUs was conducted.
243 This is a prospective
observational study in patients with liver cirrhosis and
244 This
observational study included 100 patients, who underwent
245 This prospective
observational study included 239 sepsis patients admitte
246 This retrospective
observational study included all patients who underwent
247 evere influenza.Methods: This retrospective,
observational study included critically ill patients wit
248 This
observational study investigated the contribution of the
249 This retrospective,
observational study involved a review of data from elect
250 The aim of this
observational study is to translate this tool into arabi
251 This was a single-center,
observational study of 115 consecutive patients admitted
252 We conducted a retrospective
observational study of 197 patients with confirmed COVID
253 To this end, we did a prospective
observational study of 20 consecutive patients with COVI
254 his was a prospective, multicenter (n = 14),
observational study of 265 hospitalized adults with MRSA
255 In this
observational study of 77 spelunkers at high risk for TB
256 Multicenter, prospective,
observational study of adult hospitalized patients with
257 This was a retrospective
observational study of adult patients undergoing colecto
258 In this retrospective
observational study of adult patients undergoing noncard
259 ecruited to a UK hospital-based, multicentre
observational study of adults with imaging confirmed spo
260 COPD.Methods: This was a post hoc long-term
observational study of an historical cohort of 201 patie
261 hed her seminal paper on the methods for the
observational study of behaviour, automated detection an
262 prospective, international, cross-sectional
observational study of children with PARDS from 100 cent
263 We conducted a cross-sectional
observational study of COVID-19 hospital mortality using
264 Methods and Results A retrospective
observational study of patients >=66 years of age linked
265 A multicenter
observational study of patients diagnosed with a TKA PJI
266 We performed a 5-year
observational study of patients with acute diverticuliti
267 This prospective
observational study of patients with and without IBD eva
268 Prospective
observational study of PCR-confirmed COVID-19 patients i
269 In an
observational study of persons with human immunodeficien
270 The
Observational Study of the Use and Safety of Xolair (oma
271 We collected data from a prospective,
observational study performed at multiple centers in Fra
272 This
observational study provides current estimates to measur
273 lysis, and a large international multicenter
observational study suggest that extracorporeal life sup
274 An
observational study that compared adults with COVID-19 r
275 Multicenter
observational study using data from four large randomize
276 A cross-sectional
observational study was conducted for a period of six mo
277 A cross-sectional,
observational study was conducted using the OSDI questio
278 This prospective
observational study was registered at the ISRCTN Registr
279 Here, combining a global
observational study with an experimental microcosm study
280 effusions were prospectively recruited to an
observational study with biological samples stored at pr
281 s with AH who were enrolled in a multicenter
observational study, 36 with alcohol use disorder (AUD),
282 r disease from the Women's Health Initiative
Observational Study, a weighted linear regression analys
283 0 982 women in the Women's Health Initiative
Observational Study, aged 50 to 79 years, who were witho
284 In an
observational study, all the verbal and nonverbal intera
285 In this prospective
observational study, children with demyelinating syndrom
286 In the simulated 5,000-patient
observational study, higher treatment dose was found to
287 Materials and Methods In this retrospective
observational study, hospitalized patients aged 18 years
288 In this
observational study, monthly longitudinal data on packag
289 In this
observational study, RBV/rIFN (RBV and/or rIFN-alpha2a,
290 In this retrospective,
observational study, we analyzed all patients receiving
291 In this prospective
observational study, we collected participant-level data
292 his prospective, multicenter, international,
observational study, we enrolled women with a clinical d
293 In this single-center, retrospective,
observational study, we examined the occurrence of PIPH
294 In an
observational study, we found a genome-wide significant
295 as from confounding, a central aspect of any
observational study.
296 th system were included in this prospective,
observational study.
297 This was a cross-sectional
observational study.
298 We utilized
observational surveys and spatiotemporal Gaussian proces
299 Encoding and decoding analyses suggested
observational value coding in amygdala neurons occurred
300 h party holds a subset of records (including
observational values of fixed effect variables and their