Table 1.

The mean value of radiographic parameters and their correlations with postoperative KJLO

	Mean ± SD	Pearson correlation coefficient	P-value
BMI	27.0 ± 3.8	− 0.093	0.367
Pre-KJLO	− 0.7 ± 3.3	0.484	< 0.001
Pre-KAJA	3.2 ± 4.4	0.112	0.279
Post-KAJA	− 5.7 ± 4.6	0.504	< 0.001
mLDFA	90.2 ± 2.8	0.094	0.366
Pre-MPTA	84.7 ± 2.9	0.252	0.013
Post-MPTA	93.9° ± 3.0°	0.466	< 0.001
Pre-AJLO	2.5 ± 5.0	0.221	0.031
Pre-mHKA	7.4 ± 3.7	0.322	0.001
Pre-JLCA	3.0° ± 1.6°	0.544	< 0.001
Correction amount	48.2 ± 16.9	0.012	0.914

Pre-, preoperative; post-, postoperative; BMI, body mass index; KJLO, knee joint line obliquity angle; KAJA, knee-ankle joint angle; mLDFA, mechanical lateral distal femoral angle; MPTA, medial proximal tibial angle; AJLO, ankle joint line obliquity angle; mHKA, mechanical hip-knee-ankle angle; and JLCA, joint line convergence angle