表 2.

手术相关数据、清石率以及并发症

Intraoperative variables, stone-free rate and complications

Variable	Group A	Group B	P
Group A, in situ lithotripsy technique; Group B, active migration technique.
Operative time/min, x±s	67.1±16.9	72.2±14.8	0.633
Lithotripsy time/min, x±s	38.0±13.2	40.6±12.6	0.757
Residual stone, n(%)			0.110
No	39 (86.7)	44 (97.8)
Yes	6 (13.3)	1 (2.2)
Complications, n(%)
Haematuria	25 (55.6)	22 (48.9)	0.527
Pain (mild to moderate)	16 (35.6)	13 (28.9)	0.499
Bladder irritative symptoms	10 (22.2)	12 (26.7)	0.624
Low-grade fever	4 (8.9)	2 (4.4)	0.677