Table 3

Median time to evaluation by nursing staff (EN, enrolled nurse; PN, professional nurse) by acuity and clinic, preimplementation and postimplementation of SCREEN

	Clinic 1		Clinic 2		Clinic 3		Clinic 4
Acuity	Pre-SCREEN	Post-SCREEN	Pre-SCREEN	Post-SCREEN	Pre-SCREEN	Post-SCREEN	Pre-SCREEN	Post-SCREEN
EN—Red	0:54†	0:31†	1:00	0:16***	1:11	0:12***	2:28	0:20***
PN—Red	2:29†	1:31†	1:29	0:58**	1:44	1:09**	3:13	1:04**
EN—Yellow	1:33	0:51***	0:47	0:20***	1:20	1:13	3:01	1:27***
PN—Yellow	3:25	2:42**	2:07	2:08	2:07	2:31	4:20	2:50**
EN—Green	1:43	1:22***	1:05	0:47***	1:55	2:02	2:38	2:29
PN—Green	3:00	2:41***	1:19	1:28	2:54	2:46	3:52	3:49
EXIT	3:19	3:00***	2:05	2:23	3:14	2:59*	4:41	4:31*

Bold typeface indicates significance.
Times are given in hrs:mins.
*Statistical significance *p<0.1, **p<0.05, ***p<0.01.
†Decrease in waiting times may not have reached statistical significance secondary to low volume of patients.
SCREEN, Sick Children Require Emergency Evaluation Now.