Application of Suctioning Ureteral Access Sheath during Flexible Ureteroscopy for Renal Stones Decreases the Risk of Postoperative Systemic Inflammatory Response Syndrome

Table 2

Comparisons of clinical outcomes between the two groups.

Index	Traditional fURL (81)	Suctioning fURL (81)	value
Operative time (min)			0.121
Mean (SD)	80.0 (29.5)	72.9 (28.1)
Postoperative SFR
At 1 day	58 (71.6%)	70 (86.4%)	0.034
At 30 days	67 (82.7%)	72 (88.9%)	0.368
Postoperative infective complications
SIRS	10 (12.3%)	1 (1.23%)	0.012
Fever	12 (14.8%)	3 (3.70%)	0.030

SFR, stone-free rate; SIRS, Systemic Inflammatory Response Syndrome; SD: standard deviation.