Baseline and Follow-up PHQ-9 Depression Severity Scores (n = 60 patients).
| Baseline PHQ-9 Score | No. | Mean Score at 8 Weeks | ≥5 Point Drop at 4 Weeks No. (%) | Score <5 at 8 Weeks No. (%) | Decrease of ≥50% from Baseline No. (%) |
|---|---|---|---|---|---|
| Severe major depression, ≥20 | 16 | 6.8 | 14 (88) | 10 (63) | 13 (82) |
| Moderately severe major depression, 5–19 | 16 | 6.8 | 14 (88) | 10 (63) | 10 (63) |
| Moderate depression symptoms, 10–14 | 18 | 5.3 | 14 (78) | 12 (67) | 13 (72) |
| Mild or minimal depression symptoms, <10 | 10 | 2.6 | 5 (50) | 9 (90) | 9 (100) |