The logistic regression model and a stepwise model selection demonstrated significant predictors for operation in age groups: In the 0–4 year group—AD after furosemide injection ( p = 0.04), in the 5–9 year group—parenchymal sclerosis ( p = 0.02) and the AD after furosemide was close to the level of significance ( p = 0.05) and in the 10–17 year group—parenchymal sclerosis ( p = 0.02).
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Diuretic Enhanced Ultrasonography in the Diagnosis of Pyeloureteral Obstruction.
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