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Table 3 Multivariate Cox regression analysis for the selected possible predictors of mortality in patients with AKI

From: The ratio of CRP to prealbumin levels predict mortality in patients with hospital-acquired acute kidney injury

  CRP (mg/L) prealbumin (mg/dL) CRP/prealbumin albumin (g/dL) CRP/albumin cholesterol (mg/dL) CRP/cholesterol
  HR p HR p HR p HR p HR p HR p HR p
unadjusted 1.108 0.006 1.404 0.002 1.057 0.000 1.185 0.075 1.128 0.022 1.154 0.043 1.039 0.001
model 1 1.123 0.003 1.398 0.002 1.059 0.000 1.185 0.083 1.137 0.017 1.166 0.041 1.043 0.001
model 2 1.121 0.005 1.404 0.002 1.058 0.000 1.166 0.121 1.132 0.027 1.171 0.034 1.043 0.001
model 3 1.052 0.285 1.100 0.407 1.037 0.023 0.974 0.785 1.029 0.653 0.947 0.453 0.993 0.633
model 4 1.051 0.320 1.099 0.414 1.037 0.027 0.967 0.737 1.027 0.681 0.949 0.470 0.991 0.588
  1. The Hazard ratio (HR) for death was expressed per a 2 mg/dL increase in CRP, 5 mg/dL decrease in prealbumin, 0.5 g/dL decrease in albumin, 3 mg/dL decrease in cholesterol, 0.1 increase in CRP (mg/dL)/prealbumin (mg/dL), 1 increase in CRP (mg/dL)/albumin (g/dL), 0.1 increase in CRP (mg/dL)/cholesterol (mg/dL) for a univariate model and sequential adjustment models.
  2. The multivariate analysis sequentially adjusted models for covariates as follows: Model 1, adjusted for age, gender; Model 2, adjusted for age, gender and sepsis; Model 3, adjusted for age, gender and SOFA; Model 4, adjusted for age, gender, sepsis and SOFA.