Table 1 Characteristics of the included studies
Sdudy | Sdudy design | Sample size (FANS/T-UAS) | Age (years) (FANS/T-UAS) | Pre-stenting rate (FANS/T-UAS) | Stone location | Stone burden assessment | Stone size (cm) (FANS/T-UAS) | UAS size (Fr) | Laser settings | Evaluation of SFR | Stone free definition | Follow-up duration |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Huang 2023 | retrospective | 103/103 | 54.7/54.7 | 28.2%/25.2% | Kidney, ureteral | stone diameter | 1.7/1.7 | 11/13,12/14 | Ho: YAG 1.2 J, 20 HZ | CT | < 3 mm | 1 month |
Zhang 2023 | retrospective | 102/112 | 47.7/46.8 | 45.1%/42% | Kidney | stone diameter | 1.85/1.82 | 12/14 | Ho: YAG 0.6–1.2 J, 20–30 HZ | KUB, CT | < 2 mm | 3 months |
Chen 2024 | retrospective | 125/113 | 45.6/46.3 | NR | Kidney | stone diameter | 2.81/2.68 | 12/14 | Ho: YAG 1 J, 30 HZ | CT | < 2 mm | 1 month |
Uslu 2024 | retrospective | 43/45 | 56/55 | No stenting | kidney | stone diameter | 1.0/1.1 | 9.5/11.5 | Ho: YAG 0.5 J, 20 HZ | CT | < 3 mm | 1 month |
Ying 2024 | retrospective | 103/138 | 53.1/53.9 | 25.2%/20.3% | kidney | stone diameter | 1.55/1.56 | 11/13,12/14,13/15 | Ho: YAG 0.6–0.8 J, 20–25 HZ | KUB, US, CT | < 2 mm | 3 months |
Yu 2024 | retrospective | 152/152 | 51.1/50.5 | 7.2%/9.2% | Kidney, ureteral | stone diameter stone volume | 1.55/1.52 | 12/14 | Ho: YAG 1–1.2 J, 15–30 HZ | CT | zero stone fragments | 3 months |
Zhu 2024 | RCT | 160/160 | 53/52 | 11.9%/13.8% | Kidney, ureteral | stone diameter stone volume stone surface | 1.4/1.1 | 10/12,11/13,12/14 | Ho: YAG < 30 W | KUB, US, CT | < 2 mm | 3 months |
Hu 2025 | retrospective | 78/127 | 55/54 | 24.4%/29.1% | kidney | stone diameter | 1.6/1.6 | 12/14 | Ho: YAG 0.8–1.2 J, 20 HZ | US, CT | < 2 mm | 1 month |