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Table 6 Cox regression shows the independent risk factors for renal function progression in patients with acute kidney injury

From: High urinary excretion of kidney injury molecule-1 predicts adverse outcomes in acute kidney injury: a case control study

  Univariate analysis Multivariate analysis
Characteristics Relative risk P Relative risk P
Age, years 1.033 (1.018, 1.047) 0.000 1.032 (1.008, 1.057) 0.009
Male sex     
 Baseline estimated GFR (ml/min/1.73 m2) 0.976 (0.965, 0.987) 0.000 0.974 (0.962, 0.986) 0.000
 Peak serum creatinine (mg/dl) 1.002 (1.001, 1.003) 0.001   
 uKIM-1 (ng/mg) 1.018 (1.008, 1.029) 0.000 1.018 (1.004, 1.031) 0.009
 FeNa ≥1 % 3.314 (1.622, 6.768) 0.001   
 RFI ≥1 % 2.670 (1.199, 5.948) 0.016   
  1. GFR glomerular filtration rate, uKIM-1 urinary kidney injury molecule-1, FeNa fractional excretion of sodium, RFI renal failure index