Table 2. In-hospital and clinical outcomes during follow-up according to the hydration volume-to-body weight ratio (HV/W ≤ 15 and HV/W > 15 mL/kg).
| Characteristics | Total (n = 551) |
HV/W | ||
|---|---|---|---|---|
| HV/W ≤ 15 mL/kg (n = 334) |
HV/W > 15 mL/kg (n = 217) |
P-value | ||
| In-hospital outcomes | ||||
| CI-AKI, n (%) | 92 (17.0) | 36 (11.0) | 56 (26.3) | <0.001 |
| WHF, n (%) | 55 (10.0) | 19 (5.7) | 36 (16.7) | <0.001 |
| 2-year clinical outcomes | ||||
| MACE, n (%) | 151 (34.2) | 71 (26.5) | 80 (46.0) | <0.001 |
| Mortality, n (%) | 66 (15.1) | 24 (9.1) | 42 (24.6) | <0.001 |
| Dialysis, n (%) | 17 (4.0) | 5 (1.9) | 12 (7.5) | 0.004 |
| Re-hospitalization, n (%) | 77 (18.8) | 45 (17.3) | 32 (21.5) | 0.299 |
| TVR, n (%) | 6 (1.5) | 1 (0.4) | 5 (3.3) | 0.017 |
| Stroke, n (%) | 7 (1.7) | 1 (0.4) | 6 (3.9) | 0.007 |
| 3-year clinical outcomes | ||||
| MACE, n (%) | 176 (39.8) | 86 (32.1) | 90 (51.7) | <0.001 |
| Mortality, n (%) | 72 (16.5) | 29 (10.9) | 43 (25.1) | <0.001 |
| Dialysis, n (%) | 17 (4.0) | 5 (1.9) | 12 (7.5) | 0.004 |
| Re-hospitalization, n (%) | 97 (23.7) | 55 (21.2) | 42 (28.2) | 0.108 |
| TVR, n (%) | 7 (1.7) | 2 (0.8) | 5 (3.3) | 0.054 |
| Stroke, n (%) | 7 (1.7) | 1 (0.4) | 6 (3.9) | 0.007 |
Abbreviations: CI-AKI, contrast-induced acute kidney injury; WHF, worsening heart failure; MACE, major adverse clinical events; AMI, acute myocardial infarction; TVR, target vessel revascularization.