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Table 3 Clinical outcomes in group 1 (trauma)

From: Acute kidney injury subphenotypes based on creatinine trajectory identifies patients at increased risk of death

   AKI Severity AKI Subphenotype
Outcomes No AKI Stage 1 Stage 2 Stage 3 Resolving Nonresolving
Number of patients 1037 807 48 22 647 230
Mortality, n (%) 72 (7) 102 (12) 8 (16) 6 (27) 72 (11) 42 (20)
Hospital-free days, 28 days, n (IQR) 16 (5–22) 11 (0–19) 8 (0–16.5) 0.5 (0–12) 11 (0–18) 4 (0–18)
ICU-free days, 28 days, n (IQR) 24 (17–26) 21 (7–25) 16.5 (0–24) 11.5 (0–23) 21 (9–24) 15 (0–25)
  1. AKI Acute kidney injury, ICU Intensive care unit
  2. Data are presented as count (percent) or median (interquartile range [IQR]), unless otherwise indicated