Table 1 Characteristics of studies included in the meta-analysis
Author | Publication year | Study type | Segment type | Age (years) UBE | Age (years) MED | Follow-up time (months) | Sample size of UBE | Sample size of MED |
|---|---|---|---|---|---|---|---|---|
Aygun | 2021 | RCT | Single-segment | 64.64 ± 10.09 | 65.01 ± 9.24 | 24 | 100 | 100 |
Ito | 2021 | R | Single-segment | 66.3 ± 12.3 | 65.0 ± 11.1 | 6 | 42 | 139 |
Kim | 2020 | R | Single-segment | 64.23 ± 5.26 | 66.20 ± 6.01 | 12 | 30 | 30 |
Min | 2020 | R | Single-segment | 65.74 ± 10.52 | 66.74 ± 7.96 | 27.2 | 54 | 35 |
Park | 2020 | RCT | Single-segment | 66.2 (41–80) | 67.1 (45–79) | 12 | 32 | 32 |
Choi | 2019 | R | Single-segment | 65.4 ± 11.8 | 65.2 ± 12.0 | 6 | 35 | 30 |
Heo | 2019 | R | Single-segment | 66.7 ± 9.4 | 63.4 ± 11.1 | 12 | 46 | 42 |
Kang | 2019 | RCT | Single-segment | 65.1 ± 8.6 | 67.2 ± 9.5 | 6 | 32 | 30 |
Heo | 2018 | R | Single-segment | 65.8 ± 8.9 | 63.6 ± 10.5 | 12 | 46 | 42 |