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Table 6 Children with ALRI positive and negative for RSV by multiplex PCR

From: Respiratory viral infections detected by multiplex PCR among pediatric patients with lower respiratory tract infections seen at an urban hospital in Delhi from 2005 to 2007

Variables

RSV positive (n = 50)*

Virus negative (n = 195)

p value

OR (95% CI)

Median age (Mo)

10.5 (2–48)

10 (1–61)

0.60

-

Less than 12 months

38

115

0.027

2.2 (1.1, 4.5)

Sex M:F

35:15 (2.3:1)

143:52 (2.8:1)

0.63

1.2 (0.55, 2.4)

Symptoms

Cough

49

183

0.47

3.2 (.45, 140.1)

Difficulty in breathing

30

113

0.79

1.1 (0.55, 2.2)

Runny nose

32

70

0.001

3.2 (1.6, 6.4)

Sore throat

0

2

0.99

-

Fever

44

159

0.27

1.7 (0.64, 5.1)

Hoarseness

4

6

0.12

2.7 (0.54, 12.0)

Asthma

4

7

0.24

2.3 (0.49, 9.6)

Grunting

2

5

0.63

1.6 (0.15, 10.0)

Nasal flaring

5

18

0.86

1.1 (0.30, 3.3)

Stridor

2

5

0.63

1.6 (0.15, 10.0)

Chest indrawing

19

80

0.69

0.88 (0.44, 1.7)

Cyanosis

0

7

0.35

-

Recurrent pneumonia

3

15

0.99

4.1 (0.53, 31.2)

Pneumonia

38

151

0.82

0.92 (0.43, 2.1)

Bronchiolitis

41

42

0.001

16.6 (7.1, 41.4)

Risk factors

ARI in family

23

62

0.06

1.8 (0.92, 3.6)

Prematurity

6

13

0.20

1.9 (0.56, 5.7)

Smokers in family

20

67

0.45

1.3 (0.63, 2.5)

Co-morbidity

5

66

0.001

0.22 (0.06, 0.59)

  1. * episodes of co-infection with other viruses were excluded