Table 1 Patient characteristics of studied patients
| Â | AKI (n = 100) | No-AKI (n = 400) | P |
|---|---|---|---|
Age (years) | 65.78 ± 12.98 | 55.87 ± 11.10 | 0.04 S |
Sex | Â | Â | 0.45 NS |
 Male | 70 (70%) | 240 (60%) |  |
 Female | 30 (30%) | 160 (40%) |  |
Body mass index (kg/m2) | 25.67 ± 2.34 | 26.09 ± 3.30 | 0.33 NS |
Smoking | 48 (12%) | 10(10%) | 0,12NS |
Previous admission | 33 (33%) | 84 (21%) | 0.04 S |
Residence | Â | Â | 0.09 NS |
 Rural | 66 (66%) | 268 (67%) |  |
 Urban | 34 (34%) | 132 (33%) |  |