Table 2 Incidence rates (per million) of severe cases of HFMD by age groups in Shandong province, 2009–2016.
From: Epidemiological characteristics of hand, foot, and mouth disease in Shandong, China, 2009–2016
Age groups | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 |
|---|---|---|---|---|---|---|---|---|
<6 months | 281.2 (232.1–330.3) | 78.1 (52.2–104.0) | 80.3 (54.1–106.6) | 42.4 (23.3–61.5) | 46.9 (26.8–66.9) | 133.9 (100.0–167.8) | 13.4 (2.7–24.1) | 2.2 (0.0–6.6) |
6–11 months | 2783.8 (2642.0–2925.5) | 764.5 (690.2–838.8) | 693.1 (622.4–763.8) | 124.0 (94.1–153.9) | 206.6 (168.0–245.2) | 257.3 (214.2–300.4) | 52.6 (33.1–72.1) | 13.1 (3.4–22.9) |
12–23 months | 2141.6 (2054.2–2229.0) | 980.7 (921.6–1039.9) | 725.3 (674.5–776.2) | 153.2 (129.9–176.6) | 235.9 (206.9–264.9) | 492.2 (450.3–534.1) | 77.1 (60.5–93.7) | 39.9 (28.0–51.9) |
24–59 months | 524.5 (499.7–549.3) | 330.1 (310.5–349.8) | 270.3 (252.5–288.1) | 78.4 (68.8–88.0) | 73.5 (64.2–82.8) | 215.7 (199.8–231.6) | 31.1 (25.1–37.2) | 7.6 (4.6–10.6) |
5–9 years | 32.6 (27.6–37.6) | 16.7 (13.1–20.3) | 22.1 (18.0–26.3) | 6.0 (3.9–8.2) | 7.6 (5.2–10.1) | 19.1 (15.3–23.0) | 2.8 (1.3–4.3) | 0.2 (0.0–0.6) |
10–14 years | 2.1 (0.8–3.4) | 2.1 (0.8–3.4) | 2.5 (1.1–3.9) | 0.4 (−0.2–1.0) | 0.6 (-0.1–1.3) | 1.7 (0.5–2.8) | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) |
≥15 years | 0.0 (0.0–0.0) | 0.0 (0.0–0.1) | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) |
Total | 60.6 (59.1–62.2) | 27.9 (26.9–29.0) | 22.9 (22.0–23.9) | 5.6 (5.2–6.1) | 7.0 (6.4–7.5) | 16.1 (15.3–16.9) | 2.4 (2.1–2.7) | 0.8 (0.6–1.0) |
