Table 3.

Robust regression analyses examining the association of nadir-to-peak serum creatinine (sCr) increments and length of stay among hospital survivors stratified by baseline eGFR

Subjects (%)Adjusted Length of Stay Prolongation in Days (95% Confidence Interval)
Baseline eGFR of ≥60 ml/min per 1.73 m2
    total21,061
    nadir-to-peak sCr increment (mg/dl)
        <0.217,117 (81.3)1.0
        ≥0.23,944 (18.7)2.00 (1.91 to 2.09)
Baseline eGFR of 30 to 59 ml/min per 1.73 m2
    total6,154
    nadir-to-peak sCr increment (mg/dl)
        <0.34,879 (79.3)1.0
        ≥0.31,275 (20.7)2.86 (2.65 to 3.07)
Baseline eGFR of <30 ml/min per 1.73 m2
    total1,326
    nadir-to-peak sCr increment (mg/dl)
        <0.5939 (70.8)1.0
        ≥0.5387 (29.2)2.80 (2.29 to 3.31)
  • The model is adjusted for age, gender, race, Deyo-Charlson comorbidity index, hospital service, sepsis, cardiac catheterization, coronary artery bypass grafting, abdominal surgery, and acute organ system dysfunction score. eGFR, estimated GFR.