Subgroups | Studies, n | Prevalence (%) | 95%CI | Disorder type | Heterogeneity across the studies | Heterogeneity between groups (P-value) | |
---|---|---|---|---|---|---|---|
I2 | P-value | ||||||
Country | |||||||
 Developed | 13 | 18.80 | 11.90–28.41 | Overall psychotic disorder | 99.42 | < 0.001 | 0.313 |
 Developing | 5 | 29.16 | 13.39–52.28 | 99.92 | < 0.001 | ||
Instrument used | |||||||
 Screening | 5 | 32.19 | 13.51–59.08 | Overall psychotic disorder | 98.97 | < 0.001 | 0.256 |
 Diagnostic | 13 | 17.42 | 8.26–30.08 | 99.78 | < 0.001 | ||
Quality of studies | |||||||
 High | 9 | 21.37 | 11.50–36.24 | Overall psychotic disorder | 99.71 | < 0.001 | 0.868 |
 Fair | 9 | 22.60 | 16.22–30.57 | 79.34 | < 0.001 | ||
Country | |||||||
 Developed | 19 | 8.83 | 4.28–13.64 | Schizophrenia | 98.06 | < 0.001 | 0.080 |
 Developing | 4 | 22.15 | 1.83–43.98 | 97.22 | < 0.001 | ||
Year | |||||||
 Before 2010 | 14 | 8.88 | 5.47–14.09 | Schizophrenia | 92.59 | < 0.001 | 0.386 |
 2010 and above | 9 | 13.20 | 6.05–26.44 | 99.49 | < 0.001 | ||
Year | |||||||
 Before 2010 | 8 | 20.09 | 10.18–28.49 | Psychosis | 93.92 | < 0.001 | 0.392 |
 2010 and above | 10 | 24.44 | 13.65–29.03 | 99.68 | < 0.001 |