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

African Journal of Urology

Table 3 Comparison between (Mini-PCNL) and (RIRS) according to operative data

	Mini-PCNL (35)	RIRS (35)	Statistical test (x²)	P value
pre-op. Haemoglobin (gm/dl) mean ± SD	12.74 ± 0.97	12.87 ± 0.97	St t = 0.56	0.58
Operative time (minutes) mean ± SD	59.71 ± 19.44	80.43 ± 14.79	St t = 10.83	< 0.001
Fluoroscopic time (minutes) mean ± SD	8.11 ± 2.05 min	5.8 ± 1.98 min	St t = 4.8	< 0.001
Intra-operative morbidity: Bleeding No. (%) Perforation No. (%)	1 (2.9) 1 (2.9)	0 (0.0) 0 (0.0)	FET = 1.93	0.49