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. 2018 Jun 14;20:1–6. doi: 10.1016/j.ijcha.2018.06.003

Table 1.

Characteristics of the study patients.

Overall (n = 20,462) Men (n = 15,281) Women (n = 5181) P Age < 80 years (n = 15,625) Age ≥ 80 years (n = 4837) P
Age, y 68.8 ± 13.3 66.3 ± 12.9 76.0 ± 11.6 <0.0001 63.7 ± 10.8 85.2 ± 4.3 <0.001
Men, % 74.7 100.0 0.0 81.5 52.6 <0.001
STEMI, % 79.7 80.3 77.7 0.0004 80.7 76.3 <0.001
Killip classification, % <0.0001 <0.001
 1 71.8 74.2 64.7 76.2 57.5
 2 11.8 10.8 14.8 10.1 17.3
 3 6.3 5.4 8.9 4.7 11.6
 4 10.1 9.6 11.6 9.0 13.6
Coronary risk factors, %
 Hypertension 63.6 61.7 68.9 <0.0001 61.4 70.4 <0.001
 Diabetes mellitus 32.8 33.0 32.2 0.299 34.0 28.9 <0.001
 Dyslipidemia 46.2 46.7 44.5 0.010 49.9 34.8 <0.001
 Active smoking 34.5 42.1 11.9 <0.0001 40.7 14.3 <0.001
Transportation, % 0.046
 Ambulance 78.9 78.6 79.7 78.3 80.8 0.043
 Self 18.3 18.7 17.2 19.1 15.8
 In-hospital onset 2.8 2.7 3.1 2.6 3.4
Emergency CAG, % 89.6 91.6 83.9 <0.0001 92.9 79.0 <0.001
Anterior MI, % 47.6 47.8 47.2 0.495 48.1 45.8 0.010
LMT culprit lesion, % 3.0 3.2 2.4 0.020 2.9 3.4 0.186
Primary PCI, % 87.9 89.6 82.7 <0.0001 90.3 79.9 <0.001
Door-to-balloon time, min 80 (52–142) 80 (51–139) 85 (55–150) 0.001 79 (51–138) 87 (55–159) <0.001
Onset-to-balloon time, min 230 (141–420) 225 (138–408) 237 (150–460) <0.001 220 (138–398) 250 (162–488) <0.001
Final TIMI flow, % 0.279 0.002
 0 2.1 2.1 1.9 2.0 2.5
 1 1.1 1.1 1.4 1.1 1.4
 2 5.2 5.1 5.6 4.9 6.4
 3 91.6 91.7 91.1 92.0 89.8
In-hospital mortality, % 8.3 6.9 12.4 <0.0001 5.5 17.4 <0.001
 Cardiac death 6.6 5.2 10.4 <0.0001 4.2 14.1 <0.001

CAG, coronary angiography; LMT, left main trunk; MI, myocardial infarction; PCI, percutaneous coronary intervention; STEMI, ST-elevation myocardial infarction.