Skip to main content
. 2013 Apr 11;11(2):66–72. doi: 10.3121/cmr.2013.1120

Table 1.

Patient characteristics by period of symptom onset.

Time Period

n 00:01 – 08:00 08:01 – 16:00 16:01 – 24:00
Number Subjects 519 158 224 137
Male 359 66.5% 70.5% 70.1%
Median Age in Years (Range) 64.6 (29 – 94) 63.0 (32 – 94) 63.7 (26 – 92)
Never Smoked 251 45.6% 50.4% 48.2%
Diabetic 99 19.0% 16.1% 24.1%
Hypertensive 317 62.0% 62.9% 56.9%
Heart Failure 22 4.4% 4.5% 3.6%
MI/Coronary Artery Disease 101 16.5% 17.9% 25.5%
Coronary Artery Bypass Graft Surgery 115 24.1% 21.4% 21.2%
Stroke 37 7.6% 7.6% 5.8%
Cardiogenic Shock 98 16.5% 17.0% 24.8%
Aspirin Users 174 34.2% 32.6% 34.3%
Beta-blocker Users 135 29.1% 22.8% 27.7%
ACE Inhibitor or ARB Users 114 13.9% 25.4% 25.5%
Statin Users 163 26.6% 32.6% 35.0%
Median Ejection Fraction (Range) 48.0 (10 – 75) 50.0 (17 – 72) 45.0 (15 – 75)
Mortality in Hospital 37 7.6% 6.3% 8.0%
Mortality Within 1 Year 62 12.7% 9.4% 15.3%