Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Analysis of covariance of 21-item Hamilton Rating Scale for Depression from the blind evaluator for weeks 4, 7, and 10. At week 10 the active treatments reduced symptoms significantly more than placebo (phenelzine sulfate [F1,103 = 9.30; P<.01] and cognitive therapy [F1,103 = 8.94; P<.01], where 36 patients were randomized to each group).
