Table 3.
Comparison of clinical data between model and validation groups
| Data | Model group (n = 200) | Validation group (n = 86) | t/x2/Z | P |
|---|---|---|---|---|
| Age (years) | 68.55±4.20 | 68.19±4.07 | 0.678 | 0.498 |
| Gender [n (%)] | 0.053 | 0.817 | ||
| Male | 104 (52.00) | 46 (53.49) | ||
| Female | 96 (48.00) | 40 (46.51) | ||
| BMI (kg/m2) | 23.23±3.70 | 23.25±3.54 | -0.047 | 0.963 |
| Smoking history [n (%)] | 0.042 | 0.837 | ||
| Yes | 123 (61.50) | 54 (62.79) | ||
| No | 77 (38.50) | 32 (37.21) | ||
| Alcohol abuse history [n (%)] | 0.024 | 0.877 | ||
| Yes | 98 (49.00) | 43 (50.00) | ||
| No | 102 (51.00) | 43 (50.00) | ||
| Hypertension history [n (%)] | 0.260 | 0.610 | ||
| Yes | 69 (34.50) | 27 (31.40) | ||
| No | 131 (65.50) | 59 (68.60) | ||
| Diabetes mellitus history [n (%)] | 0.173 | 0.677 | ||
| Yes | 110 (55.00) | 45 (52.33) | ||
| No | 90 (45.00) | 41 (47.67) | ||
| Coronary heart disease history [n (%)] | 0.154 | 0.695 | ||
| Yes | 77 (38.50) | 31 (36.05) | ||
| No | 123 (61.50) | 55 (63.95) | ||
| Number of vascular lesions [n (%)] | 0.096 | 0.757 | ||
| Single | 66 (33.00) | 30 (34.88) | ||
| Multiple | 134 (67.00) | 56 (65.12) | ||
| Site of diseased vessels [n (%)] | 0.013 | 0.993 | ||
| Left anterior descending branch | 50 (25.00) | 22 (25.58) | ||
| Left-hand branch | 44 (22.00) | 19 (22.09) | ||
| Right coronary artery | 106 (53.00) | 45 (52.33) | ||
| Preinfarction angina [n (%)] | 0.017 | 0.897 | ||
| Yes | 104 (52.00) | 44 (51.16) | ||
| No | 96 (48.00) | 42 (48.84) | ||
| Cardiogenic shock [n (%)] | 0.053 | 0.818 | ||
| Yes | 89 (44.50) | 37 (43.02) | ||
| No | 111 (55.50) | 49 (56.98) | ||
| TIMI classification [n (%)] | 0.018 | 0.895 | ||
| Grade 0 | 111 (55.50) | 47 (54.65) | ||
| Grade I | 89 (44.50) | 39 (45.35) | ||
| WBC (×109/L) | 12.19±4.34 | 11.95±4.03 | 0.432 | 0.666 |
| N (×109/L) | 12 (10, 14.75) | 12 (9, 15) | -0.316 | 0.752 |
| Hb (g/L) | 136.35±26.55 | 136.33±26.23 | 0.006 | 0.995 |
| hs-CRP (mg/L) | 12.12±4.44 | 11.90±4.21 | 0.401 | 0.689 |
| GLU (mmol/L) | 7.26±3.30 | 7.04±3.21 | 0.531 | 0.596 |
| RDW | 15.39±3.98 | 15.15±4.61 | 0.446 | 0.656 |
| UA (umol/L) | 359.03±62.13 | 356.35±65.54 | 0.328 | 0.743 |
| TC (mmol/L) | 4.49±1.11 | 4.23±1.01 | 1.892 | 0.059 |
| TG (mmol/L) | 1.42±0.54 | 1.45±0.73 | -0.327 | 0.744 |
| HDL-C (mmol/L) | 1.0±0.43 | 1.12±0.51 | -0.601 | 0.549 |
| LDL-C (mmol/L) | 2.89±0.95 | 2.94±0.99 | -0.363 | 0.717 |
| CK-MB (U/L) | 223.97±78.42 | 2258.07±80.65 | -0.108 | 0.914 |
| LA (mm) | 36.22±8.69 | 36.76±9.08 | -0.472 | 0.638 |
| LVS (mm) | 36.56±7.77 | 37.19±9.06 | -0.598 | 0.550 |
| LVD (mm) | 50.98±8.22 | 52.05±9.68 | -0.893 | 0.374 |
| LVEF | 0.46 (0.33, 0.62) | 0.46 (0.24, 0.77) | -0.894 | 0.372 |
| Time from onset to PCI (h) | 6 (4, 7) | 6 (4, 7) | -0.949 | 0.342 |
| Surgical time (h) | 23 (1, 2) | 2 (1, 2) | -1.260 | 0.208 |
BMI: Body Mass Index; TIMI: Thrombolysis in Myocardial Infarction; WBC: White Blood Cell Count; Hb: Hemoglobin; hs-CRP: High-sensitivity C-reactive Protein; GLU: Glucose; UA: Uric Acid; TC: Total Cholesterol; TG: Triglycerides; HDL-C: High-Density Lipoprotein Cholesterol; LDL-C: Low-Density Lipoprotein Cholesterol; CK-MB: Creatine Kinase-MB; LA: Left Atrial Diameter; LVS: Left Ventricular End-Systolic Diameter; LVD: Left Ventricular End-Diastolic Diameter; LVEF: Left Ventricular Ejection Fraction; PCI: Percutaneous Coronary Intervention.