Table 3 Gender differences in the HBsAg-positive rate among all age groups
From: A retrospective serological survey of hepatitis B virus infection in Northeast China
Age group (years) | Male | Female | χ2 | P-value | ||
|---|---|---|---|---|---|---|
HBsAg, n | HBsAg, % | HBsAg, n | HBsAg, % | |||
1–10 | 67 | 0.51 | 25 | 0.39 | 1.437 | 0.231 |
11–20 | 137 | 2.37 | 94 | 2.31 | 0.038 | 0.846 |
21–30 | 765 | 8.04 | 629 | 5.63 | 47.278 | < 0.01 |
31–40 | 1589 | 12.47 | 940 | 6.36 | 306.344 | < 0.01 |
41–50 | 3178 | 13.36 | 1694 | 6.86 | 566.363 | < 0.01 |
51–60 | 3068 | 10.6 | 1793 | 6.90 | 232.288 | < 0.01 |
61–70 | 1369 | 6.86 | 906 | 5.12 | 49.927 | < 0.01 |