Table 2.

Statistical comparison of quality performance metrics between GCN and UCC visits

	Visits, no. (%)	Visits, no. (%)
Measure	GCN (n = 1,195,512)	UCC (n = 5,343,465)	P-valuea
Antibiotic prescription rate	289,653 (24.23%)	1,667,441 (31.21%)	<0.001
3-Day return rate to ED	30,280 (2.53%)	174,281 (3.26%)	<0.001
3-Day return rate to UCC	65,018 (5.44%)	129,177 (2.42%)	<0.001
Specialty referral rate	34,338 (2.87%)	494,175 (9.25%)	<0.001
Dr. Advice request rate	2684 (0.22%)	23,033 (0.43%)	<0.001
Imaging study order rate	23,251 (1.94%)	379,776 (7.11%)	<0.001

^aFor the null hypothesis that the rate for GCN is the same as the corresponding rate for UCC.