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Table 2 Sensitivity analysis of all studies based on the country of origin, the instrument used, and study quality of the included studies

From: The prevalence of schizophrenia and other psychotic disorders among homeless people: a systematic review and meta-analysis

SubgroupsStudies, nPrevalence (%)95%CIDisorder typeHeterogeneity across the studiesHeterogeneity between groups (P-value)
I2P-value
Country
 Developed1318.8011.90–28.41Overall psychotic disorder99.42< 0.0010.313
 Developing529.1613.39–52.2899.92< 0.001
Instrument used
 Screening532.1913.51–59.08Overall psychotic disorder98.97< 0.0010.256
 Diagnostic1317.428.26–30.0899.78< 0.001
Quality of studies
 High921.3711.50–36.24Overall psychotic disorder99.71< 0.0010.868
 Fair922.6016.22–30.5779.34< 0.001
Country
 Developed198.834.28–13.64Schizophrenia98.06< 0.0010.080
 Developing422.151.83–43.9897.22< 0.001
Year
 Before 2010148.885.47–14.09Schizophrenia92.59< 0.0010.386
 2010 and above913.206.05–26.4499.49< 0.001
Year
 Before 2010820.0910.18–28.49Psychosis93.92< 0.0010.392
 2010 and above1024.4413.65–29.0399.68< 0.001