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Table 1 Demographic data

From: Stone-free rate after semirigid ureteroscopy with holmium laser lithotripsy versus laparoscopic ureterolithotomy for upper ureteral calculi: a multicenter study

 Group A
N = 37
Group B
N = 30
P value
Sex
 Male20 (54.1%)17 (56.7%)0.831
NS
 Female17 (45.9%)13 (43.3%)
Age
 Range29–5531–550.09
NS
 Mean ± SD39.4 ± 6.342.7 ± 7.2
 Median3942
Location of stone
 Right side16 (43.2%)15 (50%)0.581
NS
 Left side21 (56.8%)15 (50%)
Size of stone (cm)
 Range1.5–21.5–20.240
NS
 Mean ± SD1.84 ± 0.121.79 ± 0.17
 Median1.811.80