Table 3A:

Multivariable Analysis of predictors of length of stay for the entire cohort

	β (95% CI)	p value
Overweight/ obese status as compared to normal weight	0.03 (0.01,0 .06)	0.01
Age	0.01 (0.001, 0.01)	<0.01
Admit from ED to PICU as compared those that did not get admitted to PICU	0.06 (0.02, 0.11)	0.01
Received supplemental oxygen as compared to those that did not receive oxygen	0.17 (0.14, 0.19)	<0.001
Received supplemental ventilatory support as compared to those that did not receive supplemental support	0.18 (0.12, 0.24)	<0.001
On inhaled steroid therapy prior to admission as compared to those not on prior inhaled steroid therapy	0.03 (−0.01, 0.05)	0.10
On montelukast therapy prior to admission as compared to those not on prior montelukast.	−0.004 (−0.04, 0.03)	0.81
Mild persistent as compared to intermittent asthma	−0.02 (−0.05, 0.02)	0.32
Mod persistent as compared to intermittent asthma	−0.01(−0.04, 0.04)	0.94
Severe persistent as compared to intermittent asthma	0.03 (−0.02, 0.09)	0.20