Parameter

Sample Num.

Sample size (E/U)

Heterogeneity

Polled MH or OR (95% CI)

Z Test P Value

The stone free rate

13

5180/1741

χ2 = 45.93; P < 0.00001; I2 = 74%

0.14 [0.09, 0.23]

8.02, <0.00001

The fragmentation rate

6

851/586

χ2 = 12.90; P = 0.02; I2 = 61%

0.14 [0.05, 0.39]

3.71, 0.0002

The re-treatment and secondary procedure

9

4625/1453

χ2 = 41.19; P < 0.00001; I2 = 81%

5.37 [2.61, 11.07]

4.56, <0.00001

Hematuresis

5

3870/1146

χ2 = 64.69; P < 0.00001; I2 = 94%

4.93 [0.13, 194.21]

0.85, 0.0.39

Colic pain

6

998/703

χ2 = 25.62; P = 0.0001; I2 = 80%

3.70 [1.06, 12.98]

2.05, 0.04

Ureteralstricture

4

3700/964

χ2 = 0.47; P = 0.93; I2 = 0%

1.36 [0.87, 2.13]

1.37, 0.17

Urosepsis/fever

4

3821/822

χ2 = 10.54; P = 0.01; I2 = 72%

1.53 [0.79, 2.99]

1.26, 0.21