Table 2: Albuterol use, severity, and hours on oxygen.

Albuterol useSeverityNHours on oxygenSDDifference in hoursP value

No02903.48310.679
Yes0709.14315.6255.660>.9999
No15813.31031.044
Yes12916.72442.0283.414>.9999
No23814.18451.817
Yes24935.79652.55421.6120.1296
No31721.47134.814
Yes35127.64744.3566.176>.9999
No4747.57149.725
Yes41938.31651.448−9.255>.9999
No5460.00063.251
Yes5664.50081.0994.500>.9999