Table 1. General clinical characteristics of patients depending on the presence of acute kidney injury.
* Significant at p-value < 0.05
^ Mean (standard deviation)
BMI: body mass index; MI: myocardial infarction
| Variables | Categories | Non-AKI (n (%)) | AKI (n (%)) | P-value |
| Age in years^ | 63.12 (11.17) | 68.08 (10.86) | 0.003* | |
| Gender | Male | 131 (70.81) | 48 (81.36) | 0.111 |
| Female | 54 (29.19) | 11 (18.64) | ||
| BMI | Normal | 46 (24.86) | 20 (33.90) | 0.164 |
| Overweight | 83 (44.86) | 28 (47.46) | ||
| Obese | 56 (30.27) | 11 (18.64) | ||
| Diabetes mellitus | No | 146 (78.92) | 31 (52.54) | 0.001* |
| Yes | 39 (21.08) | 28 (47.46) | ||
| Preexisting hypertension | No | 5 (2.70) | 1 (1.69) | 0.202 |
| Yes | 180 (97.30) | 58 (98.31) | ||
| Currently smoking | No | 118 (63.78) | 45 (76.27) | 0.076 |
| Yes | 67 (36.22) | 14 (23.73) | ||
| Diagnosis | STEMI | 111 (60) | 38 (64.41) | 0.546 |
| NSTEMI | 74 (40) | 21 (35.59) | ||
| Previous history of MI | No | 140 (75.68) | 30 (50.85) | 0.001* |
| Yes | 45 (24.32) | 29 (49.15) | ||
| Admission Killip ≥ II | No | 107 (57.84) | 23 (38.98) | 0.001* |
| Yes | 78 (42.16) | 36 (61.02) |