Table 2 Sub-group meta-analysis of studies reporting HBV prevalence in China from 2013 to 2017
From: Hepatitis B infection in the general population of China: a systematic review and meta-analysis
Sub-group | Numbers of Study | Prevalence (%) | 95% CI | I2(%) | Heterogeneous P-value | Egger’s test P-value* |
|---|---|---|---|---|---|---|
Region | ||||||
 Eastern | 16 | 6.16 | 5.25–7.22 | 99.9 | P < 0.0001 | 0.14 |
 Middle | 7 | 5.23 | 3.11–7.34 | 100.0 | P < 0.0001 | – |
 Western | 9 | 8.92 | 7.19–10.64 | 99.9 | P < 0.0001 | – |
Sex | ||||||
 Male | 21 | 5.88 | 5.53–6.24 | 99.1 | P < 0.0001 | 0.90 |
 Female | 22 | 5.05 | 4.56–5.88 | 99.6 | P < 0.0001 | 0.51 |
Age | ||||||
 0–4 | 8 | 0.51 | 0.33–0.74 | 50.6 | 0.048 | – |
 5–9 | 6 | 2.08 | 1.05–3.46 | 90.2 | P < 0.0001 | – |
 10–14 | 6 | 1.58 | 0.69–2.77 | 89.8 | P < 0.0001 | – |
 15–19 | 6 | 3.98 | 1.42–6.54 | 96.9 | P < 0.0001 | – |
 20–29 | 12 | 7.07 | 5.62–8.67 | 99.9 | P < 0.0001 | 0.77 |
 30–39 | 12 | 7.43 | 6.11–9.04 | 99.9 | P < 0.0001 | 0.72 |
 40–49 | 11 | 7.08 | 5.72–8.77 | 99.2 | P < 0.0001 | 0.91 |
 50–59 | 6 | 7.08 | 5.19–9.65 | 93.2 | P < 0.0001 | – |
 ≥ 60 | 3 | 7.39 | 4.20–10.59 | 96.7 | P < 0.0001 | – |
Urban/Rural | ||||||
 Urban | 10 | 3.29 | 2.32–4.41 | 98.2 | P < 0.0001 | 0.52 |
 Rural | 16 | 5.86 | 4.93–6.96 | 100.0 | P < 0.0001 | 0.45 |