Table 1.
Baseline Characteristics of Study Patients
| T wave (+) (n = 53) | T wave (−) (n = 116) | P Value | |
|---|---|---|---|
| Age (years) | 58.8(12.1) | 53.3(12.9) | 0.009 |
| Female | 10(18.8) | 14(12) | 0.24 |
| Diabetes mellitus | 9(16.9) | 21(18.1) | 0.86 |
| Current smoker | 32(60.3) | 76(65.5) | 0.52 |
| Family history for CAD | 24(45.2) | 47(40.5) | 0.56 |
| Hypertension | 27(50.9) | 44(37.9) | 0.11 |
| Hyperlipidemia | 20(37.7) | 33(28.4) | 0.22 |
| Prodromal angina | 12(22.6) | 28(24.1) | 0.63 |
| Stroke | 3(5.6) | 2(1.7) | 0.16 |
| SBP (mmHg) | 129.2(25.7) | 127.3(20.6) | 0.62 |
| DBP (mmHg) | 76.7(16.5) | 75.5(13.1) | 0.6 |
| Heart rate (beats/min) | 83(15.7) | 80(11.3) | 0.14 |
| Killip class >1 | 5(9.4) | 5(4.3) | 0.19 |
| Waist circumference (cm) | 95.5(16.5) | 96.6(12.6) | 0.66 |
| Reperfusion time (min) | 251.4(195.2) | 226.8(168.3) | 0.4 |
| Door‐to‐balloon time (min) | 35.3(19.1) | 33.7(9.2) | 0.47 |
| ST segment in the lead aVR | <0.001 | ||
| Flat | 32(60.3) | 46(39.6) | |
| Elevation (≥0.5mm) | 20(37.7) | 39(33.6) | |
| Depression (<0.5mm) | 1(1.8) | 31(26.7) | |
| Pathologic Q wave in | 3(5.6) | 2(1.7) | 0.16 |
| the lead precordial (admission) | |||
| Pathologic Q wave in | 5(9.4) | 5(4.3) | 0.19 |
| the lead precordial (24 hours) | |||
| ∑STR (<50%) | 4(7.5) | 7(6.1) | 0.71 |
| Fractionation of the QRS | 2(3.7) | 3(2.6) | 0.67 |
| Prior aspirin use | 7(13.2) | 18(15.5) | 0.69 |
| Prior beta‐blocker use | 8(15) | 25(21.5) | 0.32 |
| Prior statin use | 3(5.6) | 4(3.4) | 0.5 |
| Prior ACE/ARB use | 12(22.6) | 40(34.4) | 0.12 |
| Prior CCB use | 4(7.5) | 7(6) | 0.71 |
Mean values (SD) and % (n) are reported for continuous and categorical variables, respectively. CAD = coronary artery disease; SBP = systolic blood pressure; DBP = diastolic blood pressure; STR = ST‐segment resolution; ACE/ARB = angiotensin converting enzyme/angiotensin receptor blocker; CCB = calcium channel blocker.