Table 2.
Baseline characteristics of patients treated with primary percutaneous coronary intervention for anterior myocardial infarction
| Patients with anterior MI and the de winter EKG pattern (n = 15) | Patients with typical anterior STEMI (n = 426) | P value | |
|---|---|---|---|
| Age, years | 60.3 ± 13.1 | 66.7 ± 11.6 | 0.033 |
| Sex, n (%) | |||
| Male | 13 (87) | 298 (70) | 0.161 |
| Female | 2 (13) | 128 (30) | |
| History, n (%) | |||
| Family history of CAD | 2 (13) | 9 (2) | 0.004 |
| Cigarette smoker | 11 (73) | 243 (57) | 0.219 |
| Hypertension | 6 (40) | 183 (43) | 0.819 |
| Diabetes | 2 (13) | 68 (16) | 0.768 |
| Hypercholesterolemia | 5 (33) | 119 (28) | 0.676 |
| Heart failure | 0 (0) | 17 (4) | 0.446 |
| Myocardial infarction | 0 (0) | 30 (7) | 0.294 |
| UCG, n (%) | 7 (47) | 209 (49) | |
| EF | 62.0 ± 13.0 | 53.7 ± 11.7 | 0.068 |
| LV | 50.1 ± 4.8 | 49.2 ± 6.7 | 0.721 |
| LA | 29.0 ± 4.1 | 32.8 ± 5.6 | 0.036 |
| RV | 19.3 ± 1.9 | 19.6 ± 2.5 | 0.606 |
| RA | 32.4 ± 2.7 | 33.2 ± 3.8 | 0.561 |
| HbA1c, n (%) | 10 (67) | 251 (59) | |
| 5.8 ± 0.6 | 6.3 ± 1.6 | 0.489 | |
| Blood lipid, n (%) | 15 (100) | 379 (89) | |
| TC | 5.1 ± 1.3 | 4.5 ± 1.2 | 0.047 |
| LDL | 3.2 ± 1.0 | 2.70 ± 1.0 | 0.075 |
| HDL | 1.0 ± 0.3 | 1.1 ± 0.4 | 0.378 |
| TG | 2.3 ± 1.7 | 1.6 ± 1.3 | 0.01 |
| Fasting blood glucose, n (%) | 14 (93) | 378 (89) | |
| 7.4 ± 1.6 | 7.7 ± 4.0 | 0.255 | |
| Renal function, n (%) | 14 (93) | 409 (96) | |
| UA | 355.9 ± 59.0 | 345.9 ± 109.8 | 0.386 |
| CR | 78.9 ± 16.8 | 82.5 ± 42.7 | 0.533 |
| Blood routine, n (%) | 15 (100) | 405 (95) | |
| WBC | 12.1 ± 4.1 | 11.0 ± 5.4 | 0.136 |
| Hb | 138.6 ± 11.2 | 132.3 ± 21.0 | 0.195 |
| PLT | 225.3 ± 58.2 | 199.6 ± 104.1 | 0.053 |
| Electrolytes, n (%) | 14 (93) | 158 (37) | |
| K, mmol/L | 4.0 ± 0.5 | 3.8 ± 0.5 | 0.26 |
| Na, mmol/L | 140.6 ± 2.7 | 138.7 ± 4.0 | 0.083 |
| Cl, mmol/L | 105.8 ± 3.0 | 103.3 ± 4.4 | 0.038 |
| Stay in hospital‐days | 9.5 ± 5.6 | 9.4 ± 6.2 | 0.954 |
| Cost‐CNY | 47 436.4 ± 32 067.7 | 52 293.9 ± 22 526.9 | 0.455 |
| Clinical adverse events n (%) | 5 (33) | 128 (30) | 0.757 |
Abbreviations: CAD, coronary artery disease; Cl, chloride; CNY, China Yuan; CR, creatinine; EF, ejection fraction; Hb, hemoglobin; HbA1c, glycosylated hemoglobin A1c; HDL, high density lipoprotein; K, potassium; LA, left atrium; LDL, low density lipoprotein; LV, left ventricular; MI, myocardial infarction; Na, sodium; PLT, platelets; RA, right atrium; RV, right ventricular; STEMI, ST‐segment elevation myocardial infarction; TC, total cholesterol; TG, hypertriglyceridemia; UA, uric acid; UCG, ultrasonic cardiogram; WBC, white blood cell.