Table 1.
Patients' characteristics.
| TOTAL COHORT n (%) |
PATIENTS WITH AKI n (%) |
PATIENTS WITH NO AKI n (%) |
P value | |
|---|---|---|---|---|
| Total | 665 | 49 (7.4%) | 616 (92.6%) | P < 0.001 |
| Men | 358 (53.8%) | 29 (8.1%) | 329 (91.9%) | P < 0.001 |
| Women | 307 (46.2%) | 20 (6.5%) | 287 (93.5%) | P < 0.001 |
| Mean age ±SD, y | 74 ± 14.4 | 79.1 ± 10.7 | 73.7 ± 13.5 | P = 0.42 |
| Mean BMI ±SD(m2/h) | 26.3 ± 4.7 | 25.8 ± 3.8 | 26.1 ± 4.3 | P = 0.55 |
| Mean systolic blood pressure ± SD mmHg | 137 ± 58 | 128 ± 63 | 138 ± 55 | P = 0.23 |
| Mean diastolic blood pressure ±SD mmHg | 77 ± 15 | 75 ± 18 | 77 ± 17 | P = 0.44 |
| Past medical history | ||||
| Coronary artery disease/chronic heart failure | 271 (40.7%) | 18/49 (36.7%) | 253/616 (41.1%) | P= 0.50 |
| Dyslipidemia | 181 (27.2%) | 5/49 (10.2%) | 176/616 (28.5%) | P < 0.002 |
| Cardiac arrhythmia | 231 (34.7%) | 13/49 (26.5%) | 218/616 (35.3%) | P = 0.71 |
| Chronic obstructive pulmonary disease | 327 (49.1%) | 17/49 (34.6%) | 310/616 (50.3%) | P < 0.03 |
| Hypertension | 598 (89.9%) | 35/49 (71.4%) | 563/616 (91.3%) | P < 0.001 |
| Chronic kidney disease | 112 (16.8%) | 14/49 (28.5%) | 98/616 (15.9%) | P < 0.03 |
| Cerebrovascular disease | 129 (19.3%) | 7/49 (14.2%) | 122/616 (19.8%) | P = 0.41 |
| Diabetes mellitus | 294 (44.2%) | 11/49 (22.4%) | 283/616 (45.9%) | P < 0.001 |
| Valvular disease/chronic heart failure | 63 (9.4%) | 10/49 (20.4%) | 53/616 (8.6%) | P < 0.04 |
| Diagnosis at discharge | ||||
| Sepsis | 51 (7.6%) | 11/49 (22.4%) | 40/616 (6.4%) | P < 0.03 |
| Local infections | 121 (18.1%) | 4/49 (8.1%) | 117/616 (18.9%) | P < 0.04 |
| Acute decompensated heart failure | 108 (16.2%) | 10/49 (20.4%) | 98/616 (15.9%) | P = 0.51 |
| Decompensated diabetes | 10 (1.5%) | 1/49 (2%) | 9/616 (1.4%) | P = 0.82 |
| Stroke | 38 (5.7%) | 4/49 (8.1%) | 34/616(5.5%) | P = 0.61 |
| Severe dehydration | 9 (1.3%) | 3/49 (6.5%) | 6/616 (0.9%) | P < 0.08 |
| Liver cirrhosis | 11 (1.6%) | 2/49 (4%) | 9/616 (1.4%) | P = 0.43 |
AKI, acute kidney injury; BMI, body mass index; SD, standard deviation.