Table 3.

Ability of the individual components and composite scores to differentiate exacerbation onset days from all other days.

	AUC	95%CI	p =
Heart Rate	0.819	0.754-0.884	0.004
Oxygen Saturation	0.712	0.557-0.866	0.053
Peak-Expiratory Flow (PEF)	0.805	0.655-0.956	0.005
Oximetry Score	0.849	0.787-0.912	0.001
Oximetry-PEF Score	0.897	0.839-0.955	<0.001

p value represents difference from chance (AUC = 0.5).