Urinary NGAL Ratio Is Not a Sensitive Biomarker for Monitoring Acute Tubular Injury in Kidney Transplant Patients: NGAL and ATI in Renal Transplant Patients
Table 3
Linear regression analysis of significant correlates to uNGAL excretion.
(a) Samples from 6 weeks.
Model component
Regression coefficient
SE
value
Tolerance
Constant
5.029
0.224
<0.001
Urinary tract infection
0.519
0.110
<0.001
0.980
Isometric vacuolization
0.272
0.091
0.004
1.0
(b) Samples from 6 months.
Model component
Regression coefficient
SE
value
Tolerance
Constant
4.364
0.338
<0.001
Urinary tract infection
0.335
0.151
0.03
0.967
Female recipient
0.427
0.097
<0.001
0.970
Isometric vacuolization
−0.293
0.099
0.004
0.994
SE: standard error of the regression coefficient; tolerance indicates collinearity between the variables of mode I (1.0 = no collinearity). Calculated GFR’s are based on the serum creatinine and Cockroft and Gault formula and square roots of GFR values are used for the analysis.
