Table 2.
Comparison of young and old STEMI groups
| Variable | Young | Old | P |
|---|---|---|---|
| (n = 86) | (n = 65) | ||
| Age, y | 40.00 (23, 44) | 69.15 (63,74) | < 0.001 |
| Male, n (%) | 76 (88.37) | 41 (63.08) | 0.001 |
| BMI, kg/m2 | 27.96 ± 2.80 | 26.18 ± 2.30 | 0.346 |
| Systolic pressure, mmHg | 133.59 (90, 200) | 131.09 (96,180) | 0.885 |
| Diastolic pressure, mmHg | 81.03 (50, 124) | 73.20 (46, 120) | 0.005 |
| Pulse pressure, mmHg | 52.67 (25, 90) | 57.89 (30, 100) | 0.030 |
| Fasting blood sugar (mmol/L) | 6.39 (3.76, 18.00) | 6.02 (3.61, 12.00) | 0.682 |
| HbA1C (%) | 6.26 ± 1.69 | 6.29 ± 1.47 | 0.458 |
| CK (U/L) | 1950.28 ± 1639.52 | 1691.35 ± 1411.02 | 0.533 |
| CKMB (U/L) | 163.99 ± 127.38 | 189.14 ± 173.26 | 0.066 |
| TNI (ng/mL) | 3.08 (0.11, 30) | 3.40 (0.17, 30) | 0.664 |
| TG (mmol/L) | 2.37 ± 2.48 | 1.29 ± 0.48 | 0.001 |
| TC (mmol/L) | 5.14 ± 1.39 | 4.74 ± 0.85 | 0.005 |
| NHDL-C (mmol/L) | 4.06 ± 1.35 | 3.60 ± 0.76 | 0.003 |
| HDL-C (mmol/L) | 1.07 ± 0.27 | 1.14 ± 0.24 | 0.760 |
| Fib (g/L) | 3.39 (1.90, 7.52) | 3.88 (2.06, 10.94) | < 0.001 |
| Hypertension, n (%) | 41 (47.67) | 35 (53.85) | 0.512 |
| Type II diabetes, n (%) | 18 (20.93) | 21 (32.30) | 0.135 |
| Cerebrovascular diseases, n (%) | 6 (6.98) | 18 (27.69) | < 0.001 |
| Alcohol drinking, n (%) | 25 (29.07) | 7 (10.77) | 0.008 |
| Smoking, n (%) | 71 (82.56%) | 27 (41.54) | < 0.001 |
| Smoking index | 329.53 (0, 1200) | 263.54 (0, 2400) | < 0.001 |
| Family history of early CAD, n (%) | 47 (54.65) | 12 (18.46) | < 0.001 |
| Angina pectoris before MI, n (%) | 12 (13.95) | 19 (29.23) | 0.026 |
Abbreviations: BMI body mass index, CAD coronary artery disease, CK creatine kinase, CKMB isoform of CK, Fib fibrinogen, HbA1c glycated hemoglobin, HDL-C high-density lipoprotein cholesterol, MI myocardial infarction, NHDL-C non-HDL-C, STEMI ST-segment elevation myocardial infarction, TC total cholesterol, TG triglyceride, TNI troponin I.
Note: Data are expressed as mean ± standard deviation or medians (Q1, Q3).