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Table 2 Estimated Community-Acquired Norovirus Hospital Discharge Rate and 95% CI by Age Group and Year in Europe (13 countries), 2004–2015

From: Model estimates of hospitalization discharge rates for norovirus gastroenteritis in Europe, 2004–2015

  Age group, NGE discharge rate per 10,000 person-years (95% CI)
Year <  5 years 5–9 years 10–17 years 18–59 years 60–69 years 70–79 years ≥ 80 years All ages
2004–05 25.1 (23.6–26.8) 6.8 (6.0–7.5) 3.9 (3.4–4.3) 1.5 (1.4–1.6) 2.0 (1.7–2.3) 3.6 (3.0–4.1) 9.1 (8.1–10.2) 3.8 (3.7–4.0)
2005–06 19.3 (17.9–20.8) 5.2 (4.5–5.8) 2.6 (2.2–3.0) 1.0 (0.9–1.1) 1.4 (1.1–1.6) 2.6 (2.2–3.1) 6.2 (5.2–7.4) 2.9 (2.8–3.0)
2006–07 27.4 (24.8–30.5) 6.1 (5.3–6.9) 3.8 (3.3–4.3) 1.2 (1.1–1.4) 2.1 (1.8–2.4) 3.9 (3.4–4.4) 9.2 (8.2–10.3) 3.7 (3.6–3.9)
2007–08 34.2 (31.9–36.8) 8.0 (7.2–9.0) 3.7 (3.3–4.2) 1.6 (1.5–1.8) 2.6 (2.3–2.9) 5.0 (4.6–5.5) 14.1 (12.9–15.7) 4.8 (4.6–5.0)
2008–09 25.4 (23.4–27.7) 4.9 (4.2–5.6) 3.4 (3.0–3.9) 1.3 (1.2–1.4) 2.4 (2.1–2.7) 5.6 (5.0–6.3) 12.1 (11.0–13.4) 3.9 (3.7–4.1)
2009–10 29.7 (27.6–32.0) 5.9 (5.2–6.7) 3.9 (3.4–4.4) 1.5 (1.3–1.6) 2.8 (2.5–3.1) 5.8 (5.3–6.4) 16.7 (15.1–18.4) 4.6 (4.4–4.7)
2010–11 21.7 (19.9–23.9) 7.3 (6.6–8.0) 4.5 (4.1–5.0) 1.8 (1.7–1.9) 2.2 (2.0–2.5) 4.2 (3.8–4.7) 9.2 (8.3–10.3) 3.9 (3.7–4.1)
2011–12 17.7 (15.7–19.7) 6.3 (5.6–7.1) 3.6 (3.2–4.1) 1.4 (1.3–1.5) 2.1 (1.9–2.4) 4.3 (3.9–4.8) 10.4 (9.4–11.6) 3.4 (3.3–3.6)
2012–13 18.2 (16.6–20.0) 6.0 (5.3–6.9) 4.2 (3.7–4.8) 1.5 (1.4–1.7) 2.2 (1.9–2.5) 4.8 (4.2–5.3) 10.8 (9.8–12.0) 3.7 (3.5–3.8)
2013–14 30.4 (27.8–33.3) 8.3 (7.5–9.3) 4.3 (3.8–4.9) 1.4 (1.2–1.6) 2.0 (1.8–2.4) 5.2 (4.5–5.8) 9.7 (8.6–11.1) 4.2 (4.0–4.4)
2014–15 27.6 (25.1–30.7) 8.4 (7.3–9.6) 4.7 (4.1–5.3) 1.9 (1.7–2.1) 2.6 (2.2–3.0) 5.4 (4.8–6.2) 14.5 (12.8–16.4) 4.8 (4.5–5.0)
Annual mean 24.8 (24.1–25.4) 6.5 (6.3–6.8) 3.8 (3.6–3.9) 1.4 (1.4–1.5) 2.2 (2.1–2.3) 4.5 (4.3–4.6) 10.7 (10.4–11.1) 3.9 (3.8–3.9)
  1. CI confidence interval, NGE norovirus-associated gastroenteritis