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Table 1 Elaboration (EC) and Validation (VC) cohorts’ characteristics

From: Acute kidney injury in non-critical care setting: elaboration and validation of an in-hospital death prognosis score

 EC (n = 323) VC (n = 534)
n (%)n (%)p a
Male gender n. (%)203 (63)342 (64)0.86
Mean age [min – max]71.9 [19–99]71.3 [18–99]0.92
 <5027 (8)53 (10)0.69
 50–75135 (42)208 (38.5)0.63
 >75161 (50)273 (52)0.8
CKDb144 (45)285 (53)0.21
Unknown previous renal status0 (0)13 (2)0.12
Provenance
 Home53 (16)39 (7)0.05
 Emergency154 (48)306 (57)0.16
 Other hospital unit101 (31)181 (34)0.71
 Rehabilitation center15 (5)8 (1)0.18
Etiologies
 Functional149 (46)208 (39)0.3
 Dehydratation46 (14)110 (21)0.23
 Drugs34 (11)8 (2)0.007
 Both69 (21)90 (17)0.41
 Obstructive31 (10)35 (7)0.42
 Glomerular disease22 (7)74 (14)0.09
 Acute tubular necrosis51 (16)116 (22)0.28
 Post-ischemia44 (14)66 (12)0.78
 Nephrotoxic agents1 (0.3)31 (6)0.02
 Rhabdomyolysis6 (2)19 (4)0.46
 Vascular disease5 (2)23 (4)0.25
 Multiple myeloma21 (7)12 (2)0.13
 Cardio-renal syndrome24 (7)34 (6)0.78
 Hepato-renal syndrome2 (0.6)2 (0.4)0.84
 Haemorragic fever1 (0.3)18 (3)0.1
 Unknown17 (5)12 (2)0.24
  1. aKhi-square test
  2. bGFR < 60 mL/min/1.73m2
  3. according to MDRD