Table 5 Univariable and multivariable analyses of association for detection of bacteria in the BAL in children with severe pneumonia

OR (95% CI)

P Values

OR (95% CI)

P Values

Sex

Female

0.58 (0.29–1.15)

0.12

0.70 (0.33–1.50)

0.36

Male

1

1

Age

≤ 36

1

1

> 36

0.50 (0.25–0.99)

0.05

0.57 (0.25–1.32)

0.19

Antibiotics

Yes

1

1

No

1.14 (0.40–3.28)

0.81

0.85 (0.27–2.71)

0.79

WBC on admission day (10⁹/L)

≤ 12

1

1

> 12

0.69(0.31–1.52)

0.36

1.08 (0.41–2.81)

0.88

CRP on admission day (mg/L)

≤ 10

1

1

> 10

2.79(1.33–5.85)

0.01

2.29 (0.98–5.37)

0.06

Detection of bacteria in NP swabs

Negative

1

1

Positive

5.19(2.46–10.95)

< 0.01

5.08(2.30-11.25)

< 0.01