Skip to main content
. 2014 May 19;10:887–895. doi: 10.2147/NDT.S55220

Table 8.

Responder threshold estimates

Definitions Estimate
Anchor-based method
 Week 9 CGI-I: Response option 3= minimally improved [mean (SD), n] −2.53 (4.6), 76
Distribution-based methods
 SEM (screening-to-baseline reliability) 2.89
 SEM (baseline-to-week 9 reliability) 3.23
 0.5 SD 2.75

Abbreviations: CGI-I, Clinical Global Impressions Scale for Global Improvement; SD, standard deviation; SEM, standard error of measurement.