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Table 2 Coefficients resulting from the application of the mixture model to the perioperative AKI dataset. The column on the right represents the coefficients from subgroup V and are noticeably larger in absolute magnitude than those on the left

From: A general approach to risk modeling using partial surrogate markers with application to perioperative acute kidney injury

 

Subpopulation I

Subpopulation V

BMI

0.047 (0.038, 0.057)

0.25 (0.206, 0.295)

Total urine output

− 0.041 (− 0.052, − 0.03)

− 0.147 (− 0.193, − 0.100)

Total fluids given

− 0.015 (− 0.025, − 0.004)

− 0.134 (− 0.179, − 0.09)

Age

0.063 (0.051, 0.074)

0.213 (0.168, 0.258)

Baseline eGFR

0.110 (0.097, 0.122)

0.388 (0.344, 0.433)

Hemoglobin

− 0.063 (− 0.074, − 0.053)

− 0.253 (− 0.297, − 0.209)

Max intraoperative lactate

0.060 (0.048, 0.073)

0.206 (0.161, 0.250)

Diabetes

− 0.002 (− 0.013, 0.008)

− 0.109 (− 0.152, − 0.066)

Length of surgery

0.072 (0.058, 0.085)

0.193 (0.144, 0.241)

Emergency surgery

0 (− 0.011, 0.011)

0.05 (0.012, 0.087)