1                                          When classified by using SAS, 45% were anxious or agitated (SAS 5 to 7), 26% wer

2 n = 1,000) were based on historical data and were performed using SAS 9.1.3 (SAS Institute, Cary, NC).

3                                          Data were analysed using SAS 9.1.3.

4 ivariate and Cochran-Armitage trend analyses were conducted using SAS 9.2.

5                                  Our analysis was performed using SAS 9.3 and Stata 12.

6               Data from 1 310 727 examinations (analyzed by using SAS 9.3) provided median values, as well as means and 2

7                                     Analyses were conducted using SAS-callable SUDAAN to correct for complex sampling des

8 analyses were carried out by fitting linear mixed models by using SAS PROC MIXED.

9 ive statistics and nonparametric comparisons were performed using SAS software (version 9.1; SAS Institute).

10                                          Data were analyzed using SAS statistical software.

11 ontrolling for study, was performed as the primary analysis using SAS v9.