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Table 1 Patients & stone characteristics

From: Treatment of large proximal ureteral stones: extra corporeal shock wave lithotripsy versus semi-rigid ureteroscope with lithoclast

  No. of patients Average Age Male: female ratio. Mean operative time (range minute) Mean stone size (cm) ± SD Stone free rate %
Ureteroscopy group 76 39 61:15 52 (38-98) 1.51 ± 0.04 92%
SWL group 71 42 54:17 68 (59-78) 1.34 ± 0.03 58%
P value     0.0924 0.6039 0.0003