Table 2 A linear regression model for prediction of total emergency department patient volume.

Covariate	*β coefficient	95% CI	p Value
Constant	265.42		<0.001
T	0.06	−0.26 to 0.38	0.71
ΔT	2.57	1.7 to 3.45	<0.001
Holiday	59.77	56.1 to 63.43	<0.001

Adjusted R² = 0.373.

*The β coefficient value is the point estimate of the number of patients that each variable adds, relative to the referent category.