Table 2.

Hazard ratios for death and renal outcomes among hospitalized participants by recovery group (recovery defined as within 25% of baseline)

AKI StatusParticipants (n)Events, n (%)HR (95% CI)
Doubling SCr/ESRDDeathDoubling
SCr/ESRDDeath
AKI recovered
 Crude HR2,247168 (7.5)720 (32.0)11
 Fully adjusted HR11
AKI not recovered
 Crude HR984267 (27.1)347 (35.3)4.46 (3.68, 5.41)1.23 (1.08, 1.40)
 Fully adjusted HR4.13 (3.38, 5.04)1.26 (1.10, 1.43)
AKI recovery unknown
 Crude HR88053 (6.0)167 (19.0)0.71 (0.52, 0.97)0.51 (0.43, 0.61)
 Fully adjusted HR0.90 (0.66, 1.24)0.59 (0.49, 0.70)
  • Adjusted factors: age, sex, myocardial infarction, peripheral vascular disease, cerebrovascular disease, congestive heart failure, diabetes uncomplicated, diabetes complicated, nondermatologic malignancy, baseline estimated GFR (by 5 ml/min per 1.73 m2 increments), requirement for acute dialysis, primary diagnostic code for hospitalization, CIHI resource intensity weight. HR, hazard ratio; CI, confidence interval; SCr, serum creatinine.