Table 2.
Study characteristics.
| Authors, Year | Country | Population (n) | Number of Cases in the Follow-Up | Follow-Up Time | Age (y), Mean (SD) | Gender (% Female) | Type of Operation |
|---|---|---|---|---|---|---|---|
| Nakamura et al, 2012 22 | Japan | 20 | 20 | 12 m | 64.6 | 25 | Post |
| Jones et al, 2013 12 | USA | 30 | 15 | mean = 181 d | 62 | 53.3 | N/S |
| Arima et al, 2015 23 | Japan | 16 | 16 | At least 3 months | 62.8 | 56 | Post, ant |
| Maki et al, 2017 24 | Japan | 26 | 26 | 6 m | 66.5 (11.5) | 30.7 | Post, ant |
| Rajasekaran et al, 2017 25 | India | 35 | 26 | 12 m | 48 | 5.7 | Post, ant |
| Vedantam et al, 2017 26 | USA | 27 | 27 | 3 m | 54.5 (1.9) | 56 | Post, ant |
| Okita et al, 2018 27 | Japan | 27 | 27 | 12 m | 70.5 (11.7) | 22.2 | Post |
| Rao et al, 2018 28 | USA | 44 | 39 | 6 m | 53.9 (9.8) | 59 | N/S |
| Zheng et al, 2018 29 | China | 61 | 61 | mean = 19.97 m | 62.4 | 36 | Post, ant |
| Bhosale et al, 2019 30 | India | 30 | 30 | 6 w | 3.3 | Post, ant | |
| Shabani et al, 2019 16 | USA | 46 | 46 | 3 m | 53.6 (9.7) | 58.6 | N/S |
| Han et al, 2020 13 | China | 55 | 44 | 3 m | 58.6 (6.8) | 38 | Post |
| Kitamura et al, 2020 31 | Japan | 15 | 15 | At least 12 m | 71.5 (6.12) | 15 | Post |
| Severino et al, 2020 32 | Switzerland | 36 | 36 | 12 m | 57.05 | 63.8 | Post, ant |
| Tian et al, 2021 33 | China | 95 | 95 | 12 m | 54.2 | 38.9 | Post, ant |
| Zhang et al, 2020 34 | USA | 42 | 42 | Mean = 22.1 m | 56.4 (8.6) | 38.1 | Post, ant |
| Zhang et al, 2022 35 | China | 48 | 48 | 3 m | 56.79 (11.26) | 18.7 | Post, ant |
| Takamiya et al, 2023 36 | Japan | 21 | 21 | 6 m | 69.6 (12.8) | 61.9 | Post, ant |