Table 1 Elaboration (EC) and Validation (VC) cohorts’ characteristics
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 |
<50 | 27 (8) | 53 (10) | 0.69 |
50–75 | 135 (42) | 208 (38.5) | 0.63 |
>75 | 161 (50) | 273 (52) | 0.8 |
CKDb | 144 (45) | 285 (53) | 0.21 |
Unknown previous renal status | 0 (0) | 13 (2) | 0.12 |
Provenance | |||
Home | 53 (16) | 39 (7) | 0.05 |
Emergency | 154 (48) | 306 (57) | 0.16 |
Other hospital unit | 101 (31) | 181 (34) | 0.71 |
Rehabilitation center | 15 (5) | 8 (1) | 0.18 |
Etiologies | |||
Functional | 149 (46) | 208 (39) | 0.3 |
Dehydratation | 46 (14) | 110 (21) | 0.23 |
Drugs | 34 (11) | 8 (2) | 0.007 |
Both | 69 (21) | 90 (17) | 0.41 |
Obstructive | 31 (10) | 35 (7) | 0.42 |
Glomerular disease | 22 (7) | 74 (14) | 0.09 |
Acute tubular necrosis | 51 (16) | 116 (22) | 0.28 |
Post-ischemia | 44 (14) | 66 (12) | 0.78 |
Nephrotoxic agents | 1 (0.3) | 31 (6) | 0.02 |
Rhabdomyolysis | 6 (2) | 19 (4) | 0.46 |
Vascular disease | 5 (2) | 23 (4) | 0.25 |
Multiple myeloma | 21 (7) | 12 (2) | 0.13 |
Cardio-renal syndrome | 24 (7) | 34 (6) | 0.78 |
Hepato-renal syndrome | 2 (0.6) | 2 (0.4) | 0.84 |
Haemorragic fever | 1 (0.3) | 18 (3) | 0.1 |
Unknown | 17 (5) | 12 (2) | 0.24 |