Table 1. Meta-analytic Cumulative Risk of Transition to Psychosis in Individuals at Clinical High Risk for Psychosis.
| Follow-up, y | Studies, No. | No. of transitions to psychosis | Sample size | Meta-analytical cumulative risk of transition to psychosis (95% CI) | Q | df | I 2 |
|---|---|---|---|---|---|---|---|
| 0.5 | 37 | 595 | 6485 | 0.09 (0.07-0.10) | 174.65 | 36 | 79.39 |
| 1.0 | 53 | 1236 | 7907 | 0.15 (0.13-0.16) | 235.36 | 52 | 77.91 |
| 1.5 | 30 | 1168 | 5488 | 0.20 (0.17-0.22) | 195.34 | 29 | 85.15 |
| 2.0 | 44 | 1497 | 7351 | 0.19 (0.17-0.22) | 197.56 | 43 | 78.23 |
| 2.5 | 19 | 791 | 3114 | 0.25 (0.21-0.29) | 107.81 | 18 | 83.30 |
| 3.0 | 29 | 1080 | 4029 | 0.25 (0.22-0.29) | 183.24 | 28 | 84.72 |
| 4.0 | 16 | 903 | 2926 | 0.26 (0.23-0.30) | 79.12 | 15 | 81.04 |
| >4.0 | 14 | 755 | 2301 | 0.28 (0.20-0.37) | 304.36 | 13 | 95.73 |