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Table 3 Summary of preoperative equations to predict JLCA change or soft tissue correction

From: Managing intra-articular deformity in high Tibial osteotomy: a narrative review

Author Year Prediction model Equation R2
Lee et al. 2019 JLCA change −1.7 + (0.6 × latent medial laxity)
+ (0.2 × correction angle)
0.49
Takagawa et al. 2019 postoperative soft tissue correction 0.691 × JLCA −0.411 × valgus JLCA − 0.399 0.37
So et al. 2019 postoperative soft tissue correction planned amount of correction angle – ΔJLCA (ΔJLCA = supine – standing) 0.47
Kim et al. 2017 predictive additional overcorrection −1.149 + 0.803 x JLCA + 0.176 x LDFA 0.37
  1. ΔJLCA JLCA changes between two conditions, LDFA lateral distal femoral angle