Table 1.
Characteristics of the survivor patients after acute tubular necrosis episode.
| Patients | n = 212 |
|---|---|
| Male gender (%) | 133 (62.7) |
| Age (years) | 59.2 (48–71) |
| ATN-ISS | 0.33 (0.18–0.43) |
| Previous chronic renal disease (%) | 83 (39,1) |
| Hypertension (%) | 73 (34.4) |
| Cardio-vascular disease (%) | 142 (66.9) |
| Diabetes (%) | 73 (34.4) |
| ATN etiology (%) | |
| (i) Ischaemic | 57 (26.9) |
| (ii) Nephrotoxic | 46 (21.7) |
| (iii) Mix | 50 (23.6) |
| (iv) Septic | 59 (27.8) |
| In-hospital | |
| Type of admission (%) | |
| (i) Surgical | 54 (25.5) |
| (ii) No surgical | 158 (74.5) |
| ICU admission (%) | 64 (30.2) |
| ATN severity (%) | |
| (i) stage I | 55 (25.9) |
| (ii) stage II | 48 (22.6) |
| (iii) stage III | 109 (51.5) |
| SCr peak (mg/dL) | 5.1 (2.6–6.7) |
| Dialysis (%) | 50 (23.5) |
| Recovery of renal function (%) | |
| (i) Total | 78 (36.7) |
| (ii) Partial | 132 (62.4) |
| (iii) Absence | 2 (0.9) |
| Followup | |
| Time of followup (months) | 24.4 (9–39) |
| MDRD (mL/min) | |
| First evaluation | 52 ± 11 |
| After 12 months | 58.1 ± 17.2 |
| After 36 months | 57 ± 15.2 |
| After 60 months | 57.2 ± 14.2 |
| Need for late dialysis (%) | 10 (4.7) |
| Mortality (%) | 52 (24.5) |
| Lost of follow-up | 41 (19.3) |
ATN-ISS: acute tubular necrosis-individual severity score; data showed in %, means ± sd or median (q1–q3).