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Fig. 1 | BMC Urology

Fig. 1

From: Presence of transient hydronephrosis immediately after surgery has a limited influence on renal function 1 year after ileal neobladder construction

Fig. 1

Hydronephrosis grade and stratification. a. The hydronephrosis grade of each renal unit was evaluated by computed tomography (CT) imaging, and scored according to hydronephrosis grading scale: grade 0, no dilatation (G0); grade 1, pelvic dilatation only (G1); grade 2, mild caliceal dilatation (G2); grade 3, severe caliceal dilatation (G3); and grade 4, renal parenchymal atrophy (G4). b. Patients were stratified into 4 groups according to hydronephrosis grade and status (unilateral or bilateral): no hydronephrosis in bilateral kidneys (control group), unilateral hydronephrosis (low group), bilateral hydronephrosis with G1 or G2 (intermediate group), and bilateral hydronephrosis with G3 or G4 on either side (high group)

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