Table 4.
Subgroup analyses of potential moderators.
| Criterion (N treatments arms) | Chi2 | df | p | I 2 |
|---|---|---|---|---|
| Baseline severity [Yes (16) vs. No (11)] | 1.6 | 1 | 0.21 | 37.4% |
| Dose design [Fixed (18) vs. Flexible (9)] | 5.68 | 1 | 0.02 | 82.4% |
| Lower concentrations included [Yes (20) vs. No (7)] | 3.74 | 1 | 0.05 | 73.3% |
| TCA subsample | ||||
| Dose design [Fixed (12) vs. Flexible (4)] | 6.09 | 1 | 0.01 | 83.6% |
| Lower concentrations included [Yes (12) vs. No (4)] | 0.53 | 1 | 0.47 | 0% |
| SSRI subsample | ||||
| Dose design [Fixed (3) vs. Flexible (4)] | 0.46 | 1 | 0.50 | 0% |
| Lower concentrations included [Yes (4) vs. No (3)] | 3.87 | 1 | 0.05 | 74.2% |