| | Characteristics | VT/VF (n=116) | No VT/VF (n=888) | p value | Early VT/VF (n=92) | Late VT/VF (n=24) | p value |
| | Age, y | 70 ± 12 | 70 ± 13 | 0.70 | 69 ± 12 | 77 ± 11 | 0.002 | | Male, n (%) | 85 (73) | 639 (72) | 0.74 | 71 (77) | 14 (58) | 0.074 | | BMI | 22 ± 3.9 | 23 ± 4.0 | 0.81 | 23 ± 4.0 | 24 ± 3.5 | 0.38 | | Clinical history | | | | | | | | Hypertension, n (%) | 63 (54) | 515 (58) | 0.37 | 48 (52) | 14 (61) | 0.49 | | Diabetes mellitus, n (%) | 41 (35) | 284 (32) | 0.46 | 32 (35) | 8 (32) | 0.46 | | Dyslipidemia, n (%) | 50 (43) | 442 (52) | 0.20 | 30 (33) | 11 (48) | 0.48 | | Smoking, n (%) | 48 (41) | 400 (45) | 0.48 | 38 (42) | 9 (39) | 1 | | FH of CAD, n (%) | 15 (13) | 142 (16) | 0.41 | 10 (11) | 4 (17) | 0.48 | | prior MI, n (%) | 13 (11) | 80 (9) | 0.50 | 10 (11) | 3 (13) | 0.73 | | prior PCI, n (%) | 20 (17) | 115 (13) | 0.19 | 16 (17) | 4 (17) | 1.00 | | Presenting data | | | | | | | | SBP, mmHg | 118 ± 35 | 135 ± 32 | < 0.001 | 121 ± 37 | 111 ± 29 | 0.27 | | HR, beats/min | 82 ± 29 | 75 ± 21 | 0.004 | 78 ± 27 | 97 ± 30 | 0.004 | | Onset to balloon time, h | 4.5 ± 4.1 | 5.0 ± 4.2 | 0.18 | 3.6 ± 2.6 | 7.8 ± 6.5 | < 0.001 | | Killip class | | | < 0.001 | | | 0.63 | | I, n (%) | 40 (34) | 665 (75) | 32 (35) | 8 (33) | | II, n (%) | 20 (17) | 106 (12) | 15 (16) | 5 (21) | | III, n (%) | 13 (11) | 55 (6.3) | 9 (9.8) | 4 (17) | | IV, n (%) | 43 (37) | 51 (5.8) | 36 (39) | 7 (29) | | CK, U/L | 506 ± 1052 | 430 ± 922 | 0.41 | 303 ± 478 | 1283 ± 1958 | < 0.001 | | CK-MB, U/L | 50 ± 73 | 43 ± 62 | 0.28 | 38 ± 57 | 95 ± 105 | < 0.001 | | Hb, g/dL | 13 ± 2.3 | 14 ± 2.1 | 0.015 | 14 ± 1.9 | 12 ± 3.3 | 0.007 | | eGFR, ml/min/1.73 m2 | 54 ± 18 | 62 ± 20 | < 0.001 | 58 ± 17 | 40 ± 16 | < 0.001 | | BNP, pg/dL | 328 ± 550 | 172 ± 388 | 0.002 | 250 ± 528 | 619 ± 553 | 0.016 | | EF, % | 47 ± 14 | 55 ± 12 | < 0.001 | 49 ± 13 | 41 ± 17 | 0.019 |
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BMI: body mass index, BNP: brain natriuretic peptide, CAD: coronary artery disease, CK: creatine kinase, CK-MB: creatine kinase-MB, EF: ejection fraction, eGFR: estimated glomerular filtration rate, FH: family history, Hb: hemoglobin, HR: heart rate, MI: myocardial infarction, PCI: percutaneous coronary intervention, SBP: systolic blood pressure, VT/VF: ventricular tachycardia or ventricular fibrillation.
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