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Table 2 HBsAg and hepatitis C serology results by age and gender over the 14-year study period

From: Viral hepatitis in correctional facilities in the Northern Territory of Australia 2003–2017

  HBsAg
(Positive Results/Number of Tests)
Hepatitis C
(Positive Results/Number of Tests)
Age < 21 43/1896 (2.3, 95% CI 1.6–3.0) 15/1929 (0.8, 95% CI 0.4–1.3)
Age 21–25 83/2153 (3.9, 95% CI 3.1–4.8) 58/2242 (2.6, 95% CI 2.0–3.3)
Age 26–30 106/2114 (5.0, 95% CI 4.1–6.0) 113/2170 (5.2, 95% CI 4.3–6.2)
Age 31–35 114/1813 (6.3, 95% CI 5.2–7.5) 105/1855 (5.7, 95% CI 4.7–6.8)
Age 36–40 120/1563 (7.7, 95% CI 6.4–9.1) 94/1577 (6.0, 95% CI 4.8–7.2)
Age 41–45 73/1136 (6.4, 95% CI 5.1–8.0) 90/1083 (8.3, 95% CI 6.7–10.1)
Age 46–50 53/711 (7.5, 95% CI 5.6–9.6) 58/685 (8.5, 95% CI 6.5–10.8)
Age 51–55 30/367 (8.2, 95% CI 5.6–11.5) 23/358 (6.4, 95% CI 4.1–9.5)
Age 56–60 14/206 (6.8, 95% CI 3.8–11.1) 9/155 (5.5, 95% CI 2.5–10.1)
Age > 61 5/107 (4.7, 95% CI 1.5–10.6) 4/89 (4.5, 95% CI 1.2–11.1)
Male 601/10,586 (5.7, 95% CI 5.2–6.1) 499/10,725 (4.7, 95% CI 4.2–5.1)
Female 40/1480 (2.7, 95% CI 1.9–3.7) 70/1428 (4.9, 95% CI 3.8–6.2)