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Table 3 Variables included in the propensity score model along with their estimates and standard errors

From: Timing of renal replacement therapy initiation by AKIN classification system

Variable Coefficient estimate Standard error P-value
Lowest sCr pre-RRT, mg/d) 1.803 1.341 0.179
Systolic blood pressure at ICU admission, mmHg -0.053 0.021 0.010
Heart rate at ICU admission, bpm -0.054 0.020 0.006
Bicarbonate at ICU admission, mEq/L -0.123 0.073 0.092
Potassium at ICU admission, mEq/L 0.827 0.407 0.042
GCS 0.221 0.145 0.127
SCr pre-RRT, mg/dL 0.442 0.188 0.019
Hyperkalemia pre-RRT 2.358 1.240 0.057
Azotemia 1.629 1.151 0.157
Oligoanuria 1.464 0.966 0.130
  1. sCr, serum creatinine; RRT, renal replacement therapy; GCS, Glascow Coma Scale.