Table 1.
Summary of reported evaluation methods for JLCA
| Author | Year | JLCA in supine position (Mean ± SD) | JLCA in standing position with weight-bearing conditions (Mean ± SD) | JLCA under varus / Valgus stress (Mean ± SD) | ΔJLCA |
|---|---|---|---|---|---|
| Kubota et al. | 2020 | – | 3.4 ± 2.2° (single leg) | – | – |
| Kumagai et al. | 2020 | 2.4 ± 1.6° | 5.1 ± 2.0° | – |
− 1.9 ± 1.4° (post day 0 – day 2) 0.2 ± 1.2° (1 month – 12 months) |
| Akasaki et al. | 2019 | 2.1 ± 1.5° | 3.8 ± 2.0° | – |
1.1 ± 1.0° (pre – post on supine) − 0.7 ± 1.0° (pre – post on standing) |
| Goshima et al. | 2019 | – | 3.2 ± 1.7° | – | – |
| Tsuji et al. | 2019 | – | 4.1 ± 2.3° (single leg) | 6.0 ± 2.4° / 1.3 ± 2.1° | 7.4 ± 2.7° (pre varus – valgus) |
| Lee et al. | 2019 | – | 3.4 ± 2.2° (double leg) | Latent medial laxity: JLCA in valgus stress – JLCA in weightbearing standing | – |
| Takagawa et al. | 2019 | – | 4.4 ± 2.3° (single leg) | 6.9 ± 2.2° / 1.3 ± 2.5° | 8.1° ± 2.8° (pre varus – valgus) |
| So et al. | 2019 | 2.3° | 4.2° (double leg) | 6.7° / 0.6 ° | 1.8° (supine – standing) |
| Park et al. | 2019 | – | 3.8 ± 1.9° | 5.4 ± 2.1°/1.7 ± 1.4° | 1.2 ± 1.5° (pre – post) |
| Kim et al. | 2017 | – | 3.1 ± 1.8° | – | – |
| Ogawa et al. | 2016 | – | 4.6 ± 2.2° (double legs) | 5.6 ± 2.4° / 1.5 ± 1.8° | 2.0 ± 1.5° (pre – post) |
| Lee et al. | 2015 | – | 3.4 ± 2.3° | – | – |
ΔJLCA JLCA changes between two conditions, Pre preoperative, Post postoperative