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Table 2 The results of subgroup analysis

From: Prevalence of hepatitis C virus infection among prisoners in Iran: a systematic review and meta-analysis

Items

Prevalence 95% CI

I2 (%)

P

Quality of studies

 High

13% (10–15)

–

–

 Intermediate

28% (16–40)

99.1

0.00

 Low

30% (20–40)

99.2

0.00

Sample size

 ≤ 400

29% (16–43)

98.6

0.00

 > 400

27% (18–37)

99.5

0.00

Prisoner type

 Prisoners who inject drugs

53% (42–64)

94.6

0.00

 Prisoners who make use of drugs

25% (11–38)

97.5

0.00

 General (non-risk)

19% (10–29)

99.5

0.00