Table 2 Baseline characteristics of patients according to C-ACS-RS group
Variables | 0 (n = 266) | 1 (n = 217) | 2 (n = 95) | ≥3 (n = 11) | P value |
|---|---|---|---|---|---|
Demographics | |||||
Age, years | 58.32 ± 9.84 | 64.41 ± 11.93 | 71.08 ± 11.22 | 77.55 ± 6.31 | <0.001 |
Age ≥ 75 years, n (%) | 0 (0.0%) | 46 (21.2%) | 45 (47.4%) | 8 (72.7%) | <0.001 |
Female, n (%) | 34 (12.8%) | 41 (18.9%) | 20 (21.1%) | 1 (9.1%) | 0.140 |
Systolic BP (mmHg) | 125.36 ± 16.16 | 117.79 ± 21.45 | 113.28 ± 29.40 | 98.30 ± 27.75 | <0.001 |
Diastolic BP (mmHg) | 76.22 ± 40.09 | 71.02 ± 14.00 | 67.00 ± 16.34 | 59.70 ± 14.49 | 0.028 |
Heart rate (beat/min) | 76.88 ± 11.23 | 79.77 ± 16.92 | 85.70 ± 24.54 | 86.70 ± 18.56 | <0.001 |
Medical history, n (%) | |||||
Diabetes | 56 (21.1%) | 48 (22.1%) | 19 (20.0%) | 4 (36.4%) | 0.760 |
Previous myocardial infarction | 12 (4.5%) | 14 (6.5%) | 5 (5.3%) | 2 (18.2%) | 0.240 |
Coronary artery bypass graft | 11 (4.1%) | 6 (2.8%) | 10(10.5%) | 2(18.2%) | 0.005 |
Hypertension | 135 (50.8%) | 121 (55.8%) | 56 (58.9%) | 8 (72.7%) | 0.276 |
Smoking | 138 (51.9%) | 102 (47.0%) | 43 (45.3%) | 5 (45.5%) | 0.612 |
Anemia | 78 (29.3%) | 45 (20.7%) | 16 (16.8%) | 2 (18.2%) | 0.040 |
Laboratory findings | |||||
NT-pro-BNP, pg/mL(Median) | 851.15 | 1506.00 | 2414.00 | 2330.00 | <0.001 |
Lg NT-pro-BNP, pg/mL | 6.61 ± 1.27 | 7.28 ± 1.23 | 7.81 ± 1.26 | 7.85 ± 1.46 | <0.001 |
Pre-procedural SCr (μmol/L) | 91.24 ± 44.05 | 101.04 ± 39.58 | 111.49 ± 52.16 | 171.92 ± 147.90 | <0.001 |
eGFR, mL/min/1.73 m2 | 90.59 ± 94.56 | 78.16 ± 38.82 | 66.34 ± 21.50 | 50.97 ± 26.01 | 0.008 |
LVEF, % | 55.54 ± 10.42 | 53.54 ± 10.31 | 49.04 ± 10.85 | 51.67 ± 14.62 | <0.001 |
Hemoglobin (g/L) | 135.33 ± 16.32 | 131.13 ± 17.97 | 127.39 ± 17.10 | 132.52 ± 18.79 | <0.001 |
Hemoglobin A1c (%) | 6.47 ± 1.36 | 6.62 ± 1.74 | 6.30 ± 1.39 | 6.44 ± 0.64 | 0.554 |
Serum albumin (g/L) | 34.47 ± 5.24 | 32.71 ± 4.30 | 31.58 ± 4.47 | 31.27 ± 4.85 | <0.001 |
Uric acid (μmol/L) | 358.13 ± 93.3 | 377.69 ± 124.2 | 380.06 ± 117.7 | 393.11 ± 79.9 | 0.265 |
Procedural characteristic | |||||
Contrast volume (mL) | 132.80 ± 53.81 | 132.92 ± 53.00 | 144.29 ± 43.39 | 187.50 ± 81.32 | 0.291 |
Contrast exposure time (min) | 78.89 ± 42.27 | 82.52 ± 37.72 | 92.02 ± 42.80 | 80.00 ± 49.50 | 0.347 |
Number of diseased vessels (n) | 1.99 ± 1.17 | 2.08 ± 0.90 | 2.26 ± 0.94 | 2.00 ± 0.77 | 0.197 |
Number of stents (n) | 1.36 ± 0.82 | 1.40 ± 0.77 | 1.49 ± 0.84 | 1.36 ± 0.50 | 0.587 |
Total length of stent (mm) | 37.04 ± 26.47 | 35.61 ± 23.55 | 37.05 ± 24.60 | 24.00 ± 8.49 | 0.871 |