Table 1.
Demographic data and clinical characteristics according to the patients with and without AKI
| All Patients (n=196) |
Non AKI (n=120) |
AKI (n=76) |
p-value | |
|---|---|---|---|---|
| Preoperative demographic data | ||||
| Age (years) | 57±1 | 52±1 | 65±1 | <0.001 |
| Gender, male (%) | 100 (51.0) | 59 (49.2) | 41 (53.9) | 0.514 |
| Diabetes mellitus (%) | 26 (13.3) | 8 (6.7) | 18 (23.7) | 0.001 |
| Hypertension (%) | 74 (37.8) | 35 (29.2) | 39 (51.3) | 0.002 |
| Pulmonary hypertension (%) | 124 (63.3) | 72 (60.0) | 52 (68.4) | 0.233 |
| COPD (%) | 3 (1.5) | 2 (1.7) | 1 (1.3) | 0.845 |
| Old CVA (%) | 22 (11.2) | 13 (10.8) | 9 (11.8) | 0.827 |
| CHF Fc III /IV (%) | 92 (49.6) | 49 (40.8) | 43 (56.6) | 0.031 |
| Atrial fibrillation (%) | 91 (46.4) | 50 (41.7) | 41 (53.9) | 0.093 |
| Mechanical ventilation (%) | 6 (3.1) | 3 (2.5) | 3 (3.9) | 0.567 |
| Mean arterial pressure (mmHg) | 89±1 | 89±1 | 89±1 | 0.874 |
| ALT (units/L) | 29±3 | 28±3 | 30±6 | 0.581 |
| Serum Creatinine (mg/dL) | 0.9±0.1 | 0.7± 0.0 | 1.1±0.1 | <0.001 |
| Albumin (g/L) | 3.9±0.0 | 3.9±0.1 | 3.7±0.1 | 0.015 |
| Hemoglobin (g/dL) | 12.6±0.1 | 12.9±0.2 | 12.0±0.2 | 0.001 |
Abbreviation: AKI, acute kidney injury; ALT, alanine transaminase; CHF Fc, congestive heart failure functional class; COPD, chronic obstructive pulmonary disease; CVA, cerebral vascular accident.
Continuous variables are presented as mean ± standard error, and categorical variables, as number (percentage).