Outcome or subgroup |
Studies |
Participants |
Statistical method |
Effect estimate |
Mental state: average scores for improvement of positive symptoms (high score = improvement) |
1 |
27 |
Mean difference (IV, random, 95% CI) |
2.17 [‐7.98, 12.33] |
1. Hallucination |
1 |
16 |
Mean difference (IV, random, 95% CI) |
‐3.00 [‐6.75, 0.75] |
2. Delusion |
1 |
11 |
Mean difference (IV, random, 95% CI) |
7.36 [3.54, 11.18] |
Mental state: Improved positive symptoms (frequency of marked effects) |
1 |
42 |
Risk ratio (M‐H, random, 95% CI) |
0.82 [0.41, 1.62] |
1. Hallucination |
1 |
25 |
Risk ratio (M‐H, random, 95% CI) |
0.46 [0.15, 1.40] |
2. Delusion |
1 |
12 |
Risk ratio (M‐H, random, 95% CI) |
1.33 [0.50, 3.55] |
3. Severe excitation |
1 |
5 |
Risk ratio (M‐H, random, 95% CI) |
0.75 [0.15, 3.72] |