Impact of blood glucose levels on the accuracy of urinary N-acety-β-D-glucosaminidase for acute kidney injury detection in critically ill adults: a multicenter, prospective, observational study

Table 3 Factors associated with uNAG in multivariate linear regression

Independent Variables^a	uNAG
Independent Variables^a	Standardized β	P
Baseline Scr (mg/dl)	−0.093	< 0.001
ΔScr (mg/dl)	0.089	0.001
Age (years)	0.187	< 0.001
Serum glucose at admission (mg/dl)	0.147	< 0.001

^aIndependent variables included age, baseline Scr, admission Scr, ΔScr, diabetes mellitus, admission serum glucose, HbA1c. Variables not listed in the table were removed from the stepwise analysis. Adjusted R square 0.08. Baseline Scr, baseline serum creatinine; ΔScr, the change between admission Scr and baseline Scr

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