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Table 1 Characteristics of patients with myocardial infarction in Korea during 2005–2017 (N = 9934)

From: Effects of Asian dust-derived particulate matter on ST-elevation myocardial infarction: retrospective, time series study

Characteristic STEMI NSTEMI
N = 5366 54.0% N = 4497 45.2%
Age
  < 65 years (n = 3277) 1893 35.3 1288 28.7
  ≥ 65 years (n = 6657) 3424 63.8 3183 70.8
Mean ± SD 70.0 ± 14.2   72.4 ± 14.1  
Male (n = 7326) 4194 78.3 18,204 68.4
Smoking
 Never 2111 39.1 2165 49.3
 Ex 811 14.9 7,57 17.2
 Current 2323 44.3 1474 33.5
 Unknown history 121   101  
Medical history
 Hypertension 2577 49.4 2583 58.5
 Diabetes mellitus 1391 26.7 1486 33.8
 Dyslipidemia 653 12.5 708 16.1
BMI
 Normal weight (BMI < 25 kg/m2) 2852 53.2 2468 54.9
 Overweight (BMI ≥25 kg/m2) 1814 33.9 1559 34.7
  1. (Missing = 71). STEMI ST-elevation myocardial infarction, NSTEMI non-ST-elevation myocardial infarction, STD standard deviation, BMI body mass index