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The purpose of this study, is to find out the most accurate cut‐off level for the detrusor leak point pressure (DLPP) in terms of upper urinary tract (UUT) protection in a cohort of children with myelodysplasia.

One hundred and ninety‐three children with myelodysplasia were included in the study based on the availability of urological evaluation at age of 3 years. Children were assigned to one of two groups—those who had UUT damage at age 3 (group 1, n: 70) and those without UUT changes (group 2, n: 123), and compared.

Urological follow‐up data revealed higher incidences of febrile urinary tract infections and secondary tethering of the spinal cord in group 1. No statistically significant difference was determined between group 1 and group 2 in terms of DLPP values (median 42.5 vs. 39.5 cm H₂O, respectively, P = 0.087). Analysis of different cut‐off values showed …