Table 2 Incidence of in-hospital acute kidney injury based on admission serum ionized calcium levels.
Outcome | All | Serum ionized calcium level at hospital admission (mg/dL) | ||||||
|---|---|---|---|---|---|---|---|---|
≤ 4.39 | 4.40–4.59 | 4.60–4.79 | 4.80–4.99 | 5.00–5.19 | ≥ 5.20 | P | ||
AKI | 3,294 (12.7) | 332 (16.5) | 531 (14.8) | 1,004 (12.5) | 867 (11.6) | 341 (10.4) | 219 (15.0) | < 0.001 |
AKI stage | ||||||||
Stage 1 Stage 2 Stage 3 | 2,672 (10.3) 340 (1.3) 282 (1.1) | 227 (11.3) 50 (2.5) 55 (2.7) | 423 (11.8) 57 (1.6) 51 (1.4) | 819 (10.2) 109 (1.4) 76 (0.9) | 726 (9.7) 76 (1.0) 65 (0.9) | 301 (9.2) 22 (0.7) 18 (0.6) | 176 (12.0) 26 (1.8) 17 (1.1) | < 0.001 |
Renal replacement therapy | 167 (0.6) | 36 (1.8) | 26 (0.8) | 49 (0.6) | 35 (0.5) | 11 (0.3) | 10 (0.7) | < 0.001 |
