African Journal of Urology

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
Male	20 (54.1%)	17 (56.7%)	0.831 NS
Female	17 (45.9%)	13 (43.3%)	0.831 NS
Age
Range	29–55	31–55	0.09 NS
Mean ± SD	39.4 ± 6.3	42.7 ± 7.2
Median	39	42
Location of stone
Right side	16 (43.2%)	15 (50%)	0.581 NS
Left side	21 (56.8%)	15 (50%)	0.581 NS
Size of stone (cm)
Range	1.5–2	1.5–2	0.240 NS
Mean ± SD	1.84 ± 0.12	1.79 ± 0.17
Median	1.81	1.80

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