Table 5 Seroprevalence of anti-HEV IgM among population with chronic hepatitis B infection in Rushan county, Shandong province, China
| Â | Number detected | Positive number | Positive rate (%, 95% CI) | P value |
|---|---|---|---|---|
Total | 1022 | 16 | 1.57 (0.90–2.53) | – |
Age group (yrs) | ||||
 Under 30 | 66 | 0 | 0 (0–5.44) | 0.768 |
 30–39 | 79 | 1 | 1.26 (0.03–6.85) |  |
 40–49 | 242 | 6 | 2.48 (0.92–5.32) |  |
 50–59 | 336 | 5 | 1.49 (0.48–3.44) |  |
 60–69 | 211 | 3 | 1.42 (0.29–4.10) |  |
 Above 70 | 88 | 1 | 1.14 (0.03–6.17) |  |
Gender | ||||
 Male | 516 | 8 | 1.55 (0.67–3.03) | 0.969 |
 Female | 506 | 8 | 1.58 (0.68–3.09) |  |
Clinical typea | ||||
 HBV carrier | 838 | 12 | 1.43 (0.74–2.49) | 0.060# |
 Chronic cases | 74 | 0 | 0 (0–4.86) |  |
 Cirrhosis | 8 | 0 | 0 (0–36.94) |  |
 HCC | 3 | 1 | 33.33 (0.84–90.57) |  |