Table 2.

Comparison of postoperative outcomes

	sPCNL	mPCNL	P
Access sheath diameter (Fr)	30 Fr	16.5/17.5Fr
Operative time (min)	95.8±32.3	124±40.4	<0.001*
Haemoglobin drop (g/dcl)	1.33±1.5	0.88±1.4	0.04*
Transfusion rate, n (%)	7 (7.7)	1 (1.9)	0.039*
Clavien–Dindo, n (%)			0.092
Grade I	6 (6.6)	6 (11.5)
Grade II	6 (6.6)	3 (5.7)
Grade III	4 (4.4)	1 (1.9)
SFR overall (30 days) (%)	69.4	62.7	0.06
Operative stay (days)	4.4±3.9	2.7±1.7	<0.001*

mPCNL, mini standard percutaneous nephrolithotomy; sPCNL, standard percutaneous nephrolithotomy.*: Values are statistically significant.