Table 4 Univariable and multivariable analyses of association for detection of viruses in BAL samples from children with severe pneumonia

OR (95% CI)

P Values

OR (95% CI)

P Values

Sex

Female

0.86 (0.43–1.73)

0.68

0.65 (0.30–1.41)

0.28

Male

1

1

Age

≤ 36

1

1

> 36

2.48 (1.19–5.16)

0.02

1.63 (0.68–3.88)

0.27

Antibiotics

Yes

1

1

No

1.00 (0.33–3.02)

1.00

1.21 (0.36–4.06)

0.76

WBC on admission day (10⁹/L)

≤ 12

1

1

> 12

1.72(0.68–4.32)

0.25

1.34 (0.48–3.78)

0.58

CRP on admission day (mg/L)

≤ 10

1

1

> 10

0.59(0.29–1.18)

0.14

0.88 (0.38–2.01)

0.77

Detection of viruses in NP swabs

Negative

1

1

Positive

4.00(1.91–8.37)

< 0.01

3.47(1.56–7.73)

< 0.01