Table 2 Result of meta-analysis and heterogeneity of the comparison between FANS-UAS and S-UAS for studied outcome

Outcomes

Immediate SFR^a (day 1)

7

2.12

1.13 to 3.98

0.019

80.87

 < 0.001

98.58

Follow-up SFR ^a(1–3 month)

7

1.15

1.06 to 1.25

0.0008

26.07

0.0002

77.63

-

-

Effect estimate

(SMD^a)

-

-

-

-

-

Duration of lithotripsy

8

0.08

−0.15 to 0.32

0.486

40.46

 < 0.001

82.48

Postoperative hospitalization

4

−0.08

−0.20 to 0.04

0.199

1.94

0.584

0.00

-

-

-

Effect estimate

(Risk Ratio)

-

-

-

-

-

Complications

Fever

8

0.33

0.22 to 0.48

 < 0.001

5.76

0.567

0.00

Sepsis

4

0.57

0.23 to 1.39

0.215

1.22

0.747

0.00

Overal^b

3

0.41

0.27 to 0.61

 < 0.001

3.30

0.192

0.00