TABLE 1.
The main characteristics of studies included in the Meta‐analysis
| Study | Year | Design | Sample, N | Age (years) | Sex (female) | BMI | Follow‐up（month） | Main outcomes | MINORS | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | Non‐closure | Capsular closure | Non‐closure | Capsular closure | Non‐closure | Capsular closure | Non‐closure | Capsular closure | Non‐closure | Capsular closure | |||||
| Amar et al. | 2015 | non‐RCT | 100 | 50 | 50 | 36.7 ± 16.05 | 38.2 ± 13.86 | 19 | 20 | NR | NR | 12.1 ± 0.53 | 13.2 ± 0.65 | Sugery time /revision | 20 |
| Atzmon et al. | 2019 | RCT | 64 | 29 | 35 | 37.6 ± 15.24 | 38.1 ± 13.9 | 13 | 14 | NR | NR | 60.7 | 40.4 | Satisfaction | |
| Domb et al. | 2015 | non‐RCT | 403 | 235 | 168 | 42.31 ± 12.39 | 29.4 ± 12.36 | 97 | 136 | 26.75 ± 4.91 | 22.94 ± 3.84 | 26.76 ± 4.32 | 25.08 ± 3.12 | mHHS/HOS‐ADL/ | 21 |
| HOS‐SSS/Satisfaction | |||||||||||||||
| Domb et al. | 2018 | non‐RCT | 130 | 65 | 65 | 37.7 ± 12.6 | 36.8 ± 12.4 | 47 | 47 | 24.4 ± 3.8 | 24.1 ± 3.3 | 75.7 ± 8.6 | 64.8 ± 4.2 | mHHS/HOS‐SSS/Satisfaction/ | 19 |
| complication/revision | |||||||||||||||
| Frank et al. | 2014 | RCT | 64 | 32 | 32 | 32.87 ± 9.84 | 32.65 ± 10.16 | 20 | 20 | 24.98 ± 3.19 | 24.75 ± 3.77 | 30.1 ± 2.9 | 29.7 ± 2.5 | mHHS/HOS‐ADL/HOS‐SSS/ | |
| Satisfaction/Sugery time | |||||||||||||||
| Pan et al. | 2019 | RCT | 60 | 30 | 30 | 39.57 ± 10.49 | 37.2 ± 10.72 | 16 | 15 | NR | NR | NR | NR | mHHS/Satisfaction/sugery time | 20 |
| Chen et al. | 2019 | non‐RCT | 102 | 64 | 38 | 38.59 ± 11.27 | 37.64 ± 11.10 | 36 | 21 | 21.95 ± 2.66 | 21.28 ± 2.52 | NR | NR | mHHS/HOS‐ADL/complication/ | |
| Sugery time | |||||||||||||||
RCT, randomized controlled trials; N, number; BMI, body mass index; NR, not reported data; MINORS, methodological index for non‐randomized studies; mHHS, Modified Harris Hip Score; HOS‐ADL, Hip Outcome Score–Activities of Daily Living; HOS‐SSS, Hip Outcome Score–Sport‐Specific Subscale