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Table 4 A multivariate Cox proportional hazards model for independent factors associated with the composite outcomes

From: Kidney function decline after a non-dialysis-requiring acute kidney injury is associated with higher long-term mortality in critically ill survivors

Composite outcome Covariate HR (95% CI) P
Stage 3 CKD or death baseline eGFR 0.99 (0.98, 1.00) 0.02
(n = 187) age 1.02 (1.00, 1.03) 0.02
Stage 4 CKD or death received surgery 0.42 (0.25, 0.72) 0.002
(n = 374) hypertension 0.56 (0.39, 0.80) 0.002
  baseline eGFR 0.99 (0.98, 1.00) 0.009
  age 1.04 (1.02, 1.06) < 0.001
  SCr at the peak of AKI 1.20 (1.04, 1.38) 0.01
  diabetes 1.79 (1.25, 2.58) 0.002
  IABP 1.88 (1.14, 3.09) 0.01
Stage 5 CKD or death organ transplantation 0.30 (0.09, 0.96) 0.04
(n = 421) BMI 0.94 (0.90, 0.99) 0.02
  age 1.04 (1.03, 1.06) < 0.001
  SCr at the peak of AKI 1.20 (1.05, 1.36) 0.006
  general surgical services 2.09 (1.45, 3.01) < 0.001
  CPR 3.22 (1.36, 7.62) 0.008
  1. AKI, acute kidney injury; BMI, body mass index; CI, confidence interval; CPR, cardiopulmonary resuscitation; eGFR, estimated glomerular filtration rate; HR, hazard ratio; IABP, intra-aortic balloon pump; SCr, serum creatinine.