Table 1.
Meta-analysis of risk of psychotic recurrences in BPE
| Follow-up, months | ||||
|---|---|---|---|---|
| Characteristic | 6 | 12 | 24 | ⩾36 |
| No. of samples | 22 | 35 | 31 | 40 |
| No. of patients analysed | 3874 | 4559 | 4189 | 13 624 |
| Risk of psychotic recurrence, mean (95% CI) | ||||
| ATPD | 0.10 (0.07–0.15) | 0.20 (0.16–0.25) | 0.28 (0.25–0.31) | 0.31 (0.27–0.35) |
| BIPS | 0.24 (0.16–0.34) | 0.38 (0.29–0.48) | 0.38 (0.29–0.48) | 0.44 (0.33–0.55) |
| BLIPS | 0.15 (0.10–0.23) | 0.29 (0.18–0.43) | 0.34 (0.17–0.56) | 0.33 (0.26–0.40) |
| BPD | 0.10 (0.01–0.57) | 0.23 (0.14–0.36) | 0.37 (0.27–0.49) | 0.43 (0.28–0.60) |
| BPE (pooled) | 0.15 (0.12–0.18) | 0.25 (0.22–0.30) | 0.30 (0.27–0.33) | 0.33 (0.30–0.37) |
| ATPD v. BIPS v. BLIPS v. BPD test for between-group heterogeneity (Q) | 9.80 | 13.70 | 6.10 | 6.17 |
| p value | 0.02 | <0.01 | 0.11 | 0.10 |
| I2 (%) | 67.78 | 66.67 | 43.81 | 84.55 |
ATPD, acute and transient psychotic disorder; BIPS, brief intermittent psychotic symptoms; BLIPS, brief limited intermittent psychotic symptoms; BPD, brief psychotic disorder; BPE, brief psychotic episodes.