African Journal of Urology

Table 1 Comparison between nephrolithotomy (Mini-PCNL) and flexible ureterorenoscopy (RIRS) according to demographic distribution

From: Flexible ureterorenoscopy (RIRS) vs. Mini- percutaneous nephrolithotomy (MINI-PCNL) for renal stones 20–30 mm a prospective randomized study

	mPCNL (35)	RIRS (35)	Statistical test (× 2)	P value
Age (years) mean ± SD	36.11 ± 11.91	34.0 ± 10.69	St t = 0.78	0.44
Sex n(%)
Male	25 (71.4)	17 (48.6)	3.81	0.051
Female	10 (28.6)	18 (51.4)
BMI (kg/m2)mean ± SD	41.76 ± 9.34	42.21 ± 10.22	St t = 0.20	0.85

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