. Author manuscript; available in PMC: 2013 Nov 1.

Published in final edited form as: Acad Emerg Med. 2012 Nov;19(11):1235–1241. doi: 10.1111/acem.12010

Table 1.

Demographics of Study Patients

Demographic	Control Days (n=371)	Pilot Days (n=353)	p-value
Age, years (mean, ±SD)	51.2 (±21.3)	53.9 (±21.0)	0.069
Female (%)	223 (60)	205 (58)	0.578
Day of week (Monday, %)	204 (55)	131 (37)	<0.001
Census per daily study times (mean, ±SD)	51.0 (±8.6)	48.6 (±6.0)	<0.001
Patients by ESI level (%)			0.007
ESI Level 3	267 (72)	289 (82)
ESI Level 4	94 (25)	58 (16)
ESI Level 5	10 (3)	6 (2)
Left without being seen	36 (9.7)	5 (1.4)	<0.001

SD = standard deviation; ESI = Emergency Severity Index.

N = 724