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Table 2 Grades of hydronephrosis preoperative and time of improvement

From: The prognostic value of histopathological pattern of the pelviureteric junction in the outcome of pyeloplasty in children

Grade of hydronephrosis preoperative (no)

Improved at 3 months (%)

Improved at 6 months (%)

Improved at 12 months (%)

No improvement (%)

Grade III (27)

14 (51.85%)

8 (29.62%)

4 (14.81%)

1 (3.7%)

Grade IV (23)

10 (43.48%)

8 (34.78%)

4 (17.39%)

1 (4.35%)