Assessment of metabolites in urine in post-kidney transplant patients: insights into allograft function and creatinine clearance.

The urinary levels of citrate and acetone were found to be sensitive indicators of allograft function, and the combined urinary metabolite levels demonstrated a strong predictive value for kidney function, with highly significant p-values of 4.6 × 10 −12 for 24-h pooled urine and 5.36 × 10 −9 for morning urine samples.

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