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Table 1 Distribution of respiratory viruses in children ≤ 5 years according to age group, gender and ethnicity

From: Epidemiology and seasonality of respiratory viral infections in hospitalized children in Kuala Lumpur, Malaysia: a retrospective study of 27 years

  

Age group, n (%)

Total

Mean age ± SD (yrs)

Male/female ratio**

Ethnicity, n (%) **

  

≤ 6 months

6-12 months

1-5 yrs

   

Malay

Chinese

Indian

Others

Samples (% of total)

Samples received

3319 (32.3)

4241 (41.3)

2709 (26.4)

10269

1.14 ± 1.06

1.5

6337 (62.0)

2081 (20.4)

1596 (15.6)

199 (1.9)

 

Positive samples

906 (33.5)

1157 (42.7)

645 (23.8)

2708

1.06 ± 1.00

1.49

1640 (61.5)

548 (20.6)

426 (16.0)

52 (2.0)

Respiratory virus identified

(% of total positive samples within age/ethnic group)

RSV

737 (81.3)

810 (70.0)

366 (56.7)

1913 (70.6)

0.96 ± 0.92*

1.51

1137 (69.3)

407 (74.3)

326 (76.5)

33 (63.5)

 

Parainfluenza

95 (10.5)

170 (14.7)

92 (14.3)

357 (13.2)

1.10 ± 0.92

1.6

211 (12.9)

83 (15.1)

48 (11.3)

7 (13.5)

 

Parainfluenza 1

24 (2.6)

44 (3.8)

25 (3.9)

93 (3.4)

1.19 ± 1.00

1.51

60 (3.7)

17 (3.1)

15 (3.5)

1 (1.9)

 

Parainfluenza 2

2 (0.2)

15 (1.3)

6 (0.9)

23 (0.8)

0.84 ± 0.86

1.75

16 (1.0)

2 (0.4)

1 (0.2)

1 (1.9)

 

Parainfluenza 3

50 (5.5)

90 (7.8)

54 (8.4)

194 (7.2)

1.11 ± 0.90

1.49

112 (6.8)

49 (8.9)

25 (5.9)

3 (5.8)

 

Influenza

50 (5.5)

117 (10.1)

130 (20.2)

297 (11.0)

1.51 ± 1.10*

1.2

192 (11.7)

44 (8.0)

40 (9.4)

8 (15.4)

 

Influenza A

42 (4.6)

92 (8.0)

99 (15.3)

233 (8.6)

1.50 ± 1.10*

1.15

149 (9.1)

37 (6.8)

30 (7.0)

7 (13.5)

 

Influenza B

8 (0.9)

25 (2.2)

31 (4.8)

64 (2.4)

1.56 ± 1.09*

1.42

43 (2.6)

7 (1.3)

10 (2.3)

1 (1.9)

 

Adenovirus

24 (2.6)

60 (5.2)

57 (8.8)

141 (5.2)

1.37 ± 1.04

1.75

100 (6.1)

14 (2.6)

12 (2.8)

4 (7.7)

  1. SD, standard deviation
  2. * p < 0.05
  3. ** Of the 10269 total number of samples received, 85 and 56 were missing gender and ethnicity data, respectively.