From: Malignant ureteral obstruction: experience and comparative analysis of metallic versus ordinary polymer ureteral stents
QOL Score
Group
Before operation
6 months after
P value
1 year after
MSG
29.1 ± 2.5
30.9 ± 2.8
0.325
30.7 ± 3.1
0.845
OPSG
28.4 ± 1.5
23.6 ± 1.8
0.002
21.3 ± 1.1
0.01