Table 2 Clinical outcomes after drainage and F-URSL

Post drainage

Time to normalize body temperature(hours)

4.75(2.00;28.50)

2.00(2.00;20.50)

0.123

Time to normalize WBC(days)

1.00(1.00;2.00)

1.00(1.00;2.00)

0.757

Post

F-URSL

Stone-free status

YES

50(86.21%)

38(86.36%)

0.982

NO

8(13.79%)

6(13.64%)

Postoperative fever

YES

7(12.07%)

2(4.55%)

0.293

NO

51(87.93%)

42(95.45%)

Operation time of F-URS(min)

35.00(27.90;45.50)

41.25(30.50;47.50)

0.461

Postoperative hospital stay(day)

2.00 (2.00;2.00)

2.00 (2.00;3.00)

0.915