Table 1.
Baseline clinical characteristics between patients with CIN and those without CIN.
| Variables | CIN(n=29) | Non-CIN(n=211) | P value |
|
| |||
| Male,n (%) | 18 (62.1) | 161 (76.3) | 0.099 |
| Age (years) | 71.07±13.77 | 63.06±12.7 | 0.002 |
| Smoking,n (%) | 14 (48.3) | 118 (55.9) | 0.438 |
| Hypertention,n (%) | 24 (82.8) | 126 (59.7) | 0.016 |
| Diabetes mellitus,n (%) | 13 (44.8) | 50 (23.7) | 0.015 |
| Systolic BP (mm Hg) | 127.21±22.72 | 128.39±22.02 | 0.585 |
| Diastolic BP (mm Hg) | 74.59±13.2 | 76.65±14.3 | 0.519 |
| Heart rate (t/min) | 82.59±15.99 | 80.33±17.4 | 0.486 |
| LV (cm) | 5.04±0.49 | 4.83±0.6 | 0.029 |
| LVEF (%) | 0.47±0.12 | 0.53±0.11 | 0.02 |
| Contrast dose (mL) | 109.66±23.22 | 105.17±15.72 | 0.152 |
| Hydration,n (%) | 16 (55.2) | 52 (24.6) | 0.001 |
| Number of diseased vessels, n | 3.1±1.59 | 2.78±1.26 | 0.336 |
| Medication,n (%) | |||
| Aspirin | 27 (93.1) | 203 (96.2) | 0.433 |
| Ticagrelor | 29 (1) | 210 (99.5) | 0.71 |
| β-Blocker | 24 (82.8) | 175 (82.9) | 0.981 |
| ACEI/ARB | 11 (37.9) | 134 (63.5) | 0.008 |
| CCB | 4 (13.8) | 16(7.6) | 0.257 |
| Statin | 28 (96.6) | 203 (96.2) | 0.927 |
| Diuretics | 16 (55.2) | 65 (30.8) | 0.009 |
| Hospitalization (days) | 13.62±9.04 | 10.02±10.17 | 0.009 |
| Hospitalization costs (RMB) | 65245.52±30207.06 | 59278.88±45699.02 | 0.127 |
Data were presented as means ± standard deviation or number(%). BP, blood pressure; LV, left ventricular; LVEF, left ventricular ejection fraction; ACEI, angiotensin-converting enzyme inhibitor; ARB, angiotensin receptor blocker; CCB, calcium channel blocker.