Table 1.
Baseline clinical characteristics of patients with acute STEMI after pPCI by PNI score group.
| Variable | PNI = 0 (n = 189) | PNI = 1 (n = 120) | χ2/t | P |
|---|---|---|---|---|
| Age, years | 56 ± 12 | 62 ± 11 | −4.10 | 0.034 |
| Males, n (%) | 162 (85.7) | 88 (73.3) | 0.01 | 6.504 |
| Diabetes mellitus, n (%) | 46 (24.3) | 31 (25.8) | 0.03 | 0.872 |
| Hypertension, n (%) | 102 (54.0) | 51 (42.5) | 3.86 | 0.049 |
| Smoking, n (%) | 119 (63.0) | 64 (53.3) | 3.46 | 0.178 |
| Admission SBP, mmHg | 125 ± 19 | 120 ± 18 | 2.35 | 0.020 |
| Admission DBP, mmHg | 77 ± 14 | 73 ± 12 | 2.18 | 0.030 |
| Admission heart rate, beats/min | 79 ± 14 | 78 ± 13 | 0.69 | 0.490 |
| Killip class (class ≥2) | 23 (12.2) | 28 (23.3) | 13.16 | 0.004 |
| In-hospital medications | ||||
| Aspirin, n (%) | 189 (100) | 118 (98.3) | 1.11 | 0.292 |
| β-blockers, n (%) | 180 (95.2) | 115 (95.8) | 0.06 | 0.806 |
| ARB/ACEI, n (%) | 182 (96.3) | 112 (93.3) | 0.83 | 0.363 |
| CCB, n (%) | 83 (43.9) | 45 (37.5) | 0.99 | 0.319 |
| Tirofiban, n (%) | 184 (97.4) | 117 (97.5) | 0.006 | 0.937 |
| Medications at discharge | ||||
| Aspirin | 182 (96.3) | 116 (96.7) | 0.03 | 0.864 |
| Clopidogrel | 188 (99.5) | 119 (99.2) | 0.34 | 0.561 |
| ACEI/ARB | 155 (82.0) | 98 (81.7) | 0.01 | 0.939 |
| β-blockers | 170 (89.9) | 104 (86.6) | 4.56 | 0.033 |
| LVEF, % | 58.39 ± 6.29 | 55.95 ± 7.36 | 3.11 | 0.002 |
| Coronary artery disease, n (%) | ||||
| Left main | 13 (6.9) | 5 (4.2) | 0.55 | 0.458 |
| Left anterior descending | 146 (77.2) | 88 (73.3) | 0.42 | 0.518 |
| Left circumflex | 100 (52.9) | 61 (50.8) | 0.06 | 0.811 |
| Right coronary artery | 113 (59.8) | 76 (63.3) | 0.25 | 0.615 |
| Gensini score | 57.16 ± 34.50 | 58.51 ± 36.42 | 0.76 | 0.307 |
| GRACE score | 143 ± 25 | 149 ± 24 | 2.09 | 0.037 |
SBP, systolic blood pressure; DBP, diastolic blood pressure; ARB, angiotensin II receptor blocker; ACEI, angiotensin-converting enzyme inhibitor; CCB, calcium-channel blocker; GRACE, the Global Registry of Acute Coronary Events; IABP, intra-aortic balloon pump counterpulsation; LVEF, left ventricular ejection fraction; PNI, prognostic nutritional index; STEMI, acute ST-segment elevation myocardial infarction.