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Table 4 Association between age groups and respiratory virus infection (2011–2013)

From: Viral Etiology of acute respiratory tract infections in hospitalized children and adults in Shandong Province, China

Infections

Age group

≤2 year

3 ~ 4

5 ~ 15

16 ~ 59

≥60

(n = 125) (%)

(n = 118) (%)

(n = 124) (%)

(n = 110) (%)

(n = 130) (%)

IAV

9(7.20)

13(11.02)

10(8.06)

13(11.82)

3(2.31)

IBV

4(3.20)

12(10.17)

9(7.26)

2(1.82)

3(2.31)

ADV

10(8.00)

7(5.93)

15(12.10)

6(5.45)

0(0)

RSVA

13(10.40)

7(5.93)

4(3.23)

1(0.91)

4(3.08)

RSVB

6(4.80)

6(5.08)

0(0)

0(0)

0(0)

PIV-1

5(4.00)

3(2.54)

2(1.61)

1(0.91)

0(0)

PIV-2

1(0.80)

3(2.54)

6(4.84)

4(3.64)

3(2.31)

PIV-3

8(6.40)

3(2.54)

2(1.61)

0(0)

6(4.62)

HCoV(229E/NL63)

1(0.80)

3(2.54)

1(0.81)

1(0.91)

4(3.08)

HCoV(OC43/HKU1

4(3.20)

0(0)

1(0.81)

2(1.82)

5(3.85)

HRV

3(2.40)

10(8.47)

7(5.65)

3(2.73)

3(2.31)

HMPV

2(1.60)

1(0.85)

0(0)

0(0)

1(0.77)

single infectious

40(32.00)

47(39.83)

44(35.48)

25(22.73)

27(20.77)

co-infectious

12(9.60)

10(8.47)

6(4.84)

4(3.64)

2(1.54)

positive cases

52(41.60)

57(48.31)

50(40.32)

29(26.36)

29(22.31)