Table 3.

Outcomes of patients admitted to chest pain evaluation units (CPEUs)

Study, year	No. of patients	Discharged, no. (%)	Duration (control), hr	% Admitted with ACS*	% CPEU patients with ACS†
Gomez et al,14 1996‡	50	46 (92)	15.4 (54.6)	25	2
Doherty et al,12 1994	226	176 (78)	17.4 (52.87)	10	2
Toner,17 1997	1,724	1,233 (72)	6.5	NS	NS
Gibler et al,10 1995	1,010	829 (82)	NS	28	4
Mikhail et al,13 1997	477	410 (86)	NS	66	9
ACS = acute coronary syndrome; NS = not stated.

^*Percentage of patients admitted from the CPEU with an eventual diagnosis of an acute coronary syndrome.

^†Percentage of all patients admitted to the CPEU with a final diagnosis of an acute coronary syndrome.

^‡This study was a randomized controlled trial.