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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

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