Table 2.
Effect Size | Heterogeneity | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Outcome | Studies | Hedge’s g | 95% CI | z-Value | P-Value | Q-Value | DoF | P-Value | I 2 | N fs |
Global cognition | 26 | 0.29 | 0.12–0.45 | 3.43 | .001 | 63.37 | 25 | .000 | 60.55 | 49 |
Attention | 35 | 0.28 | 0.15–0.42 | 4.02 | .000 | 82.72 | 34 | .000 | 58.90 | 63 |
Processing speed | 52 | 0.20 | 0.12–0.29 | 4.54 | .000 | 71.72 | 51 | .029 | 28.89 | 52 |
Reasoning | 50 | 0.27 | 0.17–0.38 | 5.06 | .000 | 96.31 | 49 | .000 | 49.12 | 85 |
Social cognition | 17 | 0.12 | 0.00–0.24 | 2.015 | .044 | 16.19 | 16 | .440 | 1.18 | 3 |
Verbal learning | 61 | 0.33 | 0.24–0.42 | 6.877 | .000 | 108.01 | 60 | .000 | 44.45 | 140 |
Visual learning | 33 | 0.19 | 0.06–0.33 | 2.788 | .005 | 72.67 | 32 | .000 | 55.97 | 30 |
Working memory | 62 | 0.32 | 0.24–0.40 | 7.924 | .000 | 80.39 | 61 | .049 | 24.12 | 136 |
Depression | 10 | 0.14 | −0.345–0.62 | 0.552 | .581 | 59.31 | 9 | .000 | 84.83 | N/A |
Negative symptoms | 31 | 0.16 | 0.04–0.29 | 2.514 | .012 | 52.52 | 30 | .007 | 42.88 | 19 |
Positive symptoms | 30 | 0.04 | −0.05–0.13 | 0.952 | .341 | 17.87 | 29 | .947 | 0.000 | N/A |
Total symptoms | 22 | 0.08 | −0.06–0.23 | 1.123 | .261 | 37.05 | 21 | .017 | 43.33 | N/A |
Functional capacity | 16 | 0.12 | −0.01–0.25 | 1.804 | .071 | 17.42 | 15 | .294 | 13.91 | N/A |
Functional outcome | 34 | 0.21 | 0.08–0.34 | 3.21 | .001 | 69.90 | 33 | .000 | 52.77 | 37 |
Recovery | 16 | 0.15 | −0.09–0.40 | 1.23 | .220 | 61.96 | 15 | .000 | 75.79 | N/A |