. Author manuscript; available in PMC: 2015 Jun 1.

Published in final edited form as: Am Heart J. 2014 Apr 4;167(6):915–920. doi: 10.1016/j.ahj.2014.03.014

Table II.

Patient outcomes by prehospital ECG.

	Prehospital ECG (N=19,960)	No Prehospital ECG (N=9,816)	P-value
Time Intervals
FMC to device activation	82 (68-98)	92 (76-109)	<0.0001
FMC to device activation ≤90 min	12,586 (63.9%)	4,623 (47.1%)	<0.0001
FMC to hospital arrival	31 (24-40)	30 (22-38)	<0.0001
Hospital arrival to CCL	25 (14-38)	37 (25-50)	<0.0001
CCL arrival to device activation	22 (17-29)	22 (17-29)	0.4314
Door to Device activation	50 (37-64)	61 (48-75)	<0.0001
In-hospital Events
Death	540 (2 .8%)	446 (4 .6%)	<0.0 001
Death within 24 hours	185 (1.0%)	134 (1.4%)	0.0008
Post-admission MI	177 (0.9%)	107 (1.1%)	0.1117
Cardiogenic shock	972 (5.0%)	572 (5.9%)	0.0011

All times are presented in minu tes as median (in terquartile range).

ECG=Electrocardiogram; FMC=First medial contact; CCL=cardiac catheterization laboratory; MI=Myocardial infarction