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Table 2 Subgroup and sensitivity analysis of the prevalence of bipolar disorder among homeless participants

From: A systematic review and meta-analysis of the prevalence of bipolar disorder among homeless people

Subgroup Number of studies Estimates Heterogeneity across the studies Heterogeneity between groups (P-value)
Prevalence (%) 95% Confidence interval I2 (%) P-value  
Country (continent)  
Europe 4 10.0 3.1–27.9 94.5 < 00010. 0.635
Others 6 13.2 8.9–19.3 94.1 < 0001  
Instrument used  
DSM 5 11.5 5.5–22.3 87.0 < 0.0001 0.926
Other 5 11.0 6.1–19.2 96.1 < 0.0001
Quality of the study
High 5 9.9 6.2–15.3 94.4 < 0.0001 0.743
Moderate and low 5 11.8 4.3–28.6 88.4 < 0.0001  
Sample size
400 and above 3 10.1 5.1–19.1 97.0 < 0001 0.791
Below 400 7 11.45 5.8–21.2 91.0 < 0001