Table 2 Sub-group analysis of HBV prevalence among general population in Cambodia, 1990 to 2020
Group | Sub-group | Prevalence (%) (95% CI) | Test for subgroup differences p-value | I2 Index (%) | Cochran’s Q test p-value | Number of Study |
|---|---|---|---|---|---|---|
Age | ||||||
|  | Children (≤ 5 years-old) | 2.47 (0.96–4.59) | 0.022 | 92.92 |  < 0.001 | 4(6, 15, 22, 23) |
|  | Children (6–15 years-old) | 2.37 (0.04–7.05) | 98.85 |  < 0.001 | 4(5, 6, 13, 23) | |
|  | Adults (> 15 years-old) | 6.81 (4.43–9.66) | 92.12 |  < 0.001 | 5(6, 19, 23, 25, 30) | |
Study Area | ||||||
|  | Rural | 5.98 (3.50–9.06) | 0.032 | 93.67 |  < 0.001 | 7(5, 15, 19, 21, 23, 25, 30) |
|  | Urban | 0.04 (0.00–0.39) | N/A | - | 2(13, 15) | |
|  | Nationwide | 2.56 (2.17–2.97) | N/A | - | 2(6, 22) | |
Study Period | ||||||
|  | Before 2005 | 7.58 (5.31–10.19) | 0.020 | N/A | - | 3(13, 21, 23) |
|  | From 2005 | 3.32 (1.84–5.19) | 94.82 |  < 0.001 | 6(5, 6, 15, 19, 22, 25) | |