Table 5.

Multivariable Analysis of Association of SP-D With PICU Length of Stay in Children With Acute Respiratory Failure

Variable	Regression Coefficient	95% CI	P
SP-D	0.007	0.001, 0.012	.019
Age	0.004	−0.011, 0.019	.598
PRISM III	0.010	−0.002, 0.022	.092
Primary diagnosis			< .001
Pneumonia	0.000		ref
Bronchiolitis	−0.236	−0.487, 0.015	.066
Sepsis	0.080	−0.151, 0.312	.496
Asthma	−0.676	−0.947, −0.405	< .001
Aspiration pneumonia	−0.109	−0.428, 0.210	.503
Other	−0.213	−0.542, 0.116	.204

N = 323. PICU = pediatric ICU. See Tables 1 and 2 legends for expansion of other abbreviations.