Table 1 Characteristics of included studies
No | Author | Year | Experimental group | Control group | Study design | Quality assessment | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Number (n) | Age (Mean ± SD) | Male (n) | Stone | Access sheath and lithotripsy energy | Number (n) | Age (Mean ± SD) | Male (n) | Stone size | Access sheath and lithotripsy energy | |||||
1 | Huang | 2016 | 91 | 43.5 ± 2.9 | 53 | Stone dimension 16.7 ± 5.8 mm | 16F vacuum sheath/holmium laser | 91 | 44.1 ± 3.2 | 51 | 15.1 ± 6.3 mm | 16F peel-away sheath/holmium laser | RCT | 3a |
2 | Du | 2018 | 311 | 43.6 ± 17.4 | 187 | Stone size 13.6 ± 5.2 cm2 | 16-18F vacuum sheath/ultrasound | 304 | 41.2 ± 16.9 | 181 | 13.9 ± 4.7 cm2 | 16-18F peel-away sheath/ultrasound | RCT | 2a |
3 | Xu | 2020 | 30 | 52.1 ± 11.5 | 18 | Stone diameter 4.2 ± 1.0 cm | 20F vacuum sheath/pneumatic and holmium laser | 30 | 51.8 ± 9.6 | 14 | 3.8 ± 1.4 cm | 20F conventional sheath/pneumatic and holmium laser | RCT | 4a |