From: Treatment patterns in major depressive disorder after an inadequate response to first-line antidepressant treatment
Odds ratio
95% CI
p*
Presence of psychotic symptoms
Switch
0.34
0.08 to 1.48
0.152
Augmentation
3.25
1.02 to 10.31
0.045
Number of major depressive episodes
0.96
0.83 to 1.11
0.558
1.23
1.07 to 1.43
0.005