Table 1: Characteristics of the survivor patients after acute tubular necrosis episode.

Patientsn = 212

Male gender (%)133 (62.7)
Age (years)59.2 (48–71)
ATN-ISS0.33 (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) Mix50 (23.6)
 (iv) Septic59 (27.8)
In-hospital
 Type of admission (%)
  (i) Surgical54 (25.5)
  (ii) No surgical158 (74.5)
 ICU admission (%)64 (30.2)
 ATN severity (%)
  (i) stage I55 (25.9)
  (ii) stage II48 (22.6)
  (iii) stage III109 (51.5)
 SCr peak (mg/dL)5.1 (2.6–6.7)
 Dialysis (%)50 (23.5)
 Recovery of renal function (%)
  (i) Total78 (36.7)
  (ii) Partial132 (62.4)
  (iii) Absence2 (0.9)
Followup
 Time of followup (months)24.4 (9–39)
 MDRD (mL/min)
  First evaluation 52 ± 11
  After 12 months58.1 ± 17.2
  After 36 months57 ± 15.2
  After 60 months57.2 ± 14.2
 Need for late dialysis (%)10 (4.7)
 Mortality (%) 52 (24.5)
 Lost of follow-up41 (19.3)

ATN-ISS: acute tubular necrosis-individual severity score; data showed in %, means ± sd or median (q1–q3).