Clinical efficacy and safety of flexible ureteroscopy and percutaneous nephrolithotomy for large kidney stones: A retrospective comparative study

Table 2 Clinical outcomes

Parameter	FURS, n = 145	PCNL, n = 105	P value
Operative time in minutes	95.37 ± 11.94	67.19 ± 20.55	0.000
Time to bed activity in hours	7.95 ± 2.19	19.67 ± 2.74	0.000
Intraoperative blood loss in mL	15.83 ± 2.57	75.28 ± 19.64	0.000
Hemoglobin decline in g/L	3.19 ± 0.66	11.09 ± 1.84	0.000
Hospital stays in days	5.71 ± 1.37	7.15 ± 1.53	0.000
Postoperative clearance rate	133 (91.72)	78 (74.29)	0.000
Usage rate of antibiotics	11 (7.59)	21 (20.00)	0.004
Complications
Urine leakage	0 (0)	8 (7.62)	0.001
Fever	12 (8.28)	24 (22.86)	0.003

Data are n (%) or mean ± standard deviation. FURS: Flexible ureteroscopy; PCNL: Percutaneous nephrolithotomy.