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Table 4 The results of two-piecewise linear regression

From: Estimated glomerular filtration rate and postoperative mortality in patients undergoing non-cardiac and non-neuron surgery: a single-center retrospective study

 

30-day mortality (OR, 95% CI, P-value)

Inflection point of preop-eGFR

98.688

 ≤ 98.688

0.984 (0.981, 0.987) < 0.0001

 > 98.688

1.013 (1.007, 1.019) < 0.0001

P-value for log likelihood ratio test

< 0.001

  1. Adjusted age, sex, race, the frequency of transfusion (including preoperative, intraoperative, postoperative), priority of surgery, anesthesia type, surgical risk, red cell distribution width, anemia category, and comorbidities such as DM on insulin, CVA, CHF, IHD