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1 e events, methods of sequence generation and allocation concealment.
2 am, which was centrally controlled to ensure allocation concealment.
3 ze four and six and stratified by site, with allocation concealment.
4 d on the adequacy of sequence generation and allocation concealment.
5 ist was used within each stratum to preserve allocation concealment.
6 ian with a minimisation program, maintaining allocation concealment.
7 ation (by age, primary cancer, and sex) with allocation concealment.
8 misation (by age, sex, and cancer type) with allocation concealment.
9 using a random-number table with centralized allocation concealment.
10 ion was computer-generated, with centralized allocation concealment.
11 and only 13% of the trials clearly explained allocation concealment.
12       Proper randomisation rests on adequate allocation concealment.
13 a secure online database (REDCap) to achieve allocation concealment.
14 ny medical researchers confuse blinding with allocation concealment.
15 selection and confounding biases with proper allocation concealment.
16 bias for both random sequence generation and allocation concealment.
17 oper random sequence generation and adequate allocation concealment.
18 entially numbered envelopes were part of the allocation concealment.
19 ing, and <1% (4/478; 95% CI, 0%-2%) reported allocation concealment.
20 g placebo via a web-based system to maintain allocation concealment.
21 k of bias for random sequence generation and allocation concealment.
22 inding (15%), sequence generation (23%), and allocation concealment (17%); and details about actual d
23 ion (45%), random sequence generation (43%), allocation concealment (45%), and blinding (37%).
24  by the Jadad score, the use of an effective allocation concealment (AC) and the existence of an inte
25                Two authors extracted data on allocation concealment, allocation sequence, blinding, c
26  Two authors independently extracted data on allocation concealment, allocation sequence, blinding, c
27              Only 1 study described adequate allocation concealment and 2 reported an intent-to-treat
28 ed (1:1) via a web and voicemail system with allocation concealment and based on a computer-generated
29 y, open-label randomized clinical trial with allocation concealment and blinded outcome assessment wa
30 esponse with lower trial quality (suboptimal allocation concealment and blinding), use of condiments,
31 ias criteria (e.g., randomization, blinding, allocation concealment) and other study design features
32 timates and adequacy of sequence generation, allocation concealment, and baseline comparability among
33 tems of selection bias (sequence generation, allocation concealment, and baseline comparability) in t
34       The majority of studies had inadequate allocation concealment, and few were analysed according
35 fferent glucosamine preparations, inadequate allocation concealment, and industry bias.
36 es of reports of random sequence generation, allocation concealment, and intent-to-treat analyses wer
37  Minor factors included suboptimal blinding, allocation concealment, and others.
38  risk of bias in multiple domains, including allocation concealment, blinding of participants and per
39 uacy of reported random sequence generation, allocation concealment, blinding, and analysis.
40 ibed an appropriate method of randomization, allocation concealment, blinding, and completeness of fo
41 re considered high quality if randomization, allocation concealment, blinding, and follow-up complete
42 tected sexual intercourse to treatment, with allocation concealment by identical opaque boxes labelle
43   Randomisation was computer generated, with allocation concealment by using sequentially numbered me
44 95% CI: 0.01 to 0.25) and inadequate/unknown allocation concealment (difference in ES = 0.15; 95% CI:
45 nce was lowered due to unclear reporting for allocation concealment, dropouts, missing data on outcom
46                                       Proper allocation concealment frequently frustrates clinical in
47 appropriate sequence generation and adequate allocation concealment from January 1, 2009, to March 31
48 wever, methodologic problems such as lack of allocation concealment, inadequate random sequence gener
49 s was assessed under masked conditions using allocation concealment, Jadad score, and a CONSORT check
50                           Indeed, inadequate allocation concealment leads to exaggerated estimates of
51 critical elements remained uncommon, such as allocation-concealment mechanism (16.1% [95% CI, 15.6%-1
52 lity varied, with uncertainty about adequate allocation concealment methods in eight trials and lack
53                                   Except for allocation concealment, no feature of study design expla
54  graded based on the risk of bias (scored on allocation, concealment of intervention, incomplete data
55 ates of reported random sequence generation, allocation concealment, power, and intent-to-treat analy
56 ethodologic quality were blinding, method of allocation concealment, presence of mortality as a study
57                                           An allocation concealment process keeps clinicians and part
58 nd with inadequate or unclear (vs. adequate) allocation concealment (ratio of odds ratios, 0.93 [CrI,
59 n sequence generation and inadequate/unknown allocation concealment, respectively.
60 uter-generated sequence, in a 1:1 ratio with allocation concealment to receive a (third) dose of Coro
61  and were randomly allocated (1:1) with full allocation concealment to receive a prime-boost regimen
62      120 women were randomly assigned, using allocation concealment, to receive 4 mg zoledronic acid
63  Oxford using a randomisation code list with allocation concealment using opaque sealed envelopes.
64                                              Allocation concealment was achieved by use of a randomis
65                                              Allocation concealment was achieved for sites up to 2 we
66                                              Allocation concealment was achieved using a web-based sy
67                                              Allocation concealment was achieved using an interactive
68                Treatment was not masked, and allocation concealment was achieved with a computerised
69                                    Treatment allocation concealment was adequate in 9 studies; 16 wer
70                                     Complete allocation concealment was ensured and patients, field t
71 s due to poor random sequence generation and allocation concealment was high, and performance and det
72                                              Allocation concealment was implemented by use of sealed
73                                              Allocation concealment was not maintained or unclear in
74 (n = 20) of nonsurgical trials, and adequate allocation concealment was recorded in 46% (n = 30) and
75                                              Allocation concealment was unclear in the majority of tr
76 ised, adequate methods for randomization and allocation concealment were found in 17% and 7% of studi