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Table 3 Influenza rates by BIRD analysis and ICD code extraction for select locations

From: Hospital utilization rates for influenza and RSV: a novel approach and critical assessment

Country

Age group

BIRD rate per 100,000 (95% UI)

ICD-coded rate per 100,000 (95% UI)

Ecuador

< 1 year

64.5 (6–260.9)

9.8 (9.1–10.6)

Ecuador

1 to 4

56.5 (4.3–210)

5.5 (5.2–5.8)

Ecuador

5 to 17

22.1 (2.2–75.5)

1.5 (1.4–1.6)

Ecuador

18 to 49

12.8 (1.7–39.6)

1.8 (1.7–1.8)

Ecuador

50 to 64

10 (1–39.1)

2.4 (2.2–2.6)

Ecuador

65 plus

10.5 (0.8–42.7)

3.4 (3.1–3.7)

Georgia

< 1 year

50.3 (6.5–375.9)

16.2 (9.7–22.7)

Georgia

1 to 4

54 (7.3–385.5)

22.5 (18.8–26.1)

Georgia

5 to 17

46.2 (8–219.6)

6.8 (5.6–8)

Georgia

18 to 49

23.5 (4–87.6)

2.8 (2.4–3.3)

Georgia

50 to 64

19.8 (2.4–107.2)

2.8 (2.1–3.5)

Georgia

65 plus

7.9 (0.9–64.8)

2.8 (2–3.6)

India

< 1 year

11.1 (1–46.4)

0.6 (0.6–0.7)

India

1 to 4

14.9 (1.5–59.8)

1.1 (1.1–1.1)

India

5 to 17

10.5 (1.2–35.1)

0.2 (0.2–0.2)

India

18 to 49

16.6 (2–47.7)

3.7 (3.7–3.7)

India

50 to 64

10.2 (1–40.8)

3.8 (3.7–3.8)

India

65 plus

5.9 (0.5–25.4)

3.9 (3.8–3.9)

Mexico

< 1 year

98.4 (10.3–458.1)

4.3 (4.1–4.5)

Mexico

1 to 4

87 (9.3–388.3)

7.1 (7–7.2)

Mexico

5 to 17

22.8 (3–74)

1.9 (1.9–2)

Mexico

18 to 49

6.6 (0.9–21.6)

0.8 (0.8–0.8)

Mexico

50 to 64

8.4 (0.9–33.2)

1.5 (1.4–1.5)

Mexico

65 plus

7.3 (0.7–32.7)

1.3 (1.2–1.4)

New Zealand

< 1 year

58 (6–231.5)

15.7 (13.3–18.1)

New Zealand

1 to 4

131.6 (13.6–482.9)

46.7 (44.6–48.8)

New Zealand

5 to 17

18.1 (2.7–54)

5.7 (5.3–6.1)

New Zealand

18 to 49

25.4 (3.8–66.7)

5.7 (5.5–6)

New Zealand

50 to 64

13.6 (1.5–50.1)

5.5 (5.1–5.9)

New Zealand

65 plus

11.3 (1–50.2)

10.5 (9.8–11.2)

Philippines

< 1 year

104.4 (11.4–394.8)

11.6 (10.7–12.5)

Philippines

1 to 4

288.2 (32.6–1024)

53.7 (52.6–54.7)

Philippines

5 to 17

390.7 (60.8–1007.2)

66.2 (65.5–66.8)

Philippines

18 to 49

110.6 (18.8–267.5)

16.3 (16–16.6)

Philippines

50 to 64

91.4 (10.7–310.1)

14.5 (14–15)

Philippines

65 plus

42.5 (3.9–179.1)

12.3 (11.6–13.1)

Sweden

< 1 year

128.5 (11.1–523.3)

25.2 (22.8–27.7)

Sweden

1 to 4

60.1 (6.9–294.4)

22.3 (21.2–23.5)

Sweden

5 to 17

11.6 (1.8–82.7)

4.8 (4.5–5.1)

Sweden

18 to 49

12 (2.1–63.8)

3.5 (3.3–3.6)

Sweden

50 to 64

5.5 (0.7–41.9)

5.9 (5.6–6.2)

Sweden

65 plus

5.8 (0.6–41.7)

16.9 (16.2–17.5)

Turkey

< 1 year

50.8 (4.9–205.6)

1.3 (0.8–1.8)

Turkey

1 to 4

284.7 (28–1137)

8.4 (7.8–9)

Turkey

5 to 17

130.3 (16.5–400.1)

2.2 (2.1–2.4)

Turkey

18 to 49

28.9 (4.1–83.5)

2.3 (2.2–2.4)

Turkey

50 to 64

23.2 (2.4–90.7)

2.6 (2.4–2.8)

Turkey

65 plus

15.3 (1.4–68.9)

5.6 (5.2–6.1)

United States of America

< 1 year

168.4 (16.2–714.1)

139.5 (138.4–140.7)

United States of America

1 to 4

43.4 (4.4–175.8)

36.1 (35.8–36.4)

United States of America

5 to 17

16.6 (2.3–54.5)

7.2 (7.1–7.3)

United States of America

18 to 49

27.8 (4.1–80.9)

4.8 (4.8–4.8)

United States of America

50 to 64

31.6 (3.4–122.6)

9.6 (9.5–9.6)

United States of America

65 plus

27 (2.5–122.6)

32 (31.8–32.2)

  1. BIRD estimates of rates of influenza admission as compared to the rate from a raw ICD code extraction. BIRD and raw coded rate are produced across all years of available data for each country