Figure 2: Proportion of Patients With Remission of Depression Symptoms^a,b.

Abbreviations: CI, confidence interval; HAMD-17, 17-item Hamilton Rating Scale for Depression; M-H, Mantel-Haenszel; PHQ-9, 9-item Patient Health Questionnaire; QIDS-C16, 16-item Quick Inventory of Depressive Symptomatology, clinician rating.

^aHall-Flavin et al reported nonsignificant results for HAMD-17 and PHQ-9, but calculations were estimates based on raw data presented in the original report. For HAMD-17, there were some rounding differences in the data presented here compared with the original study.²⁷

^bHall-Flavin et al had a follow-up period of 8 weeks; Winner et al had a follow-up period of 10 weeks.^27,29