TABLE 1.

Preoperative and postoperative radiographic data (Mean ± SD)

Radiographic parameters	Postop 1 year (N = 121)	Postop 3 month (N = 121)	Postop 3 day (N = 121)	Preop (N = 121)	t a	P value a	t b	P value b	t c	P value c
HKA, deg	2.04 ± 1.81	2.36 ± 1.60	2.87 ± 2.26	9.17 ± 5.12	1.423	0.157	1.996	0.048	14.908	0.000
LDFA, deg	−2.18 ± 1.53	−1.74 ± 1.45	−1.57 ± 2.03	0.64 ± 2.96	2.191	0.030	0.746	0.457	9.100	0.000
MPTA, deg	−0.45 ± 1.45	0.03 ± 1.26	0.76 ± 1.75	4.68 ± 3.77	2.840	0.005	3.532	0.001	11.538	0.000
KJLO, deg	−4.58 ± 1.85	−4.59 ± 1.54	−3.50 ± 1.93	−3.03 ± 2.83	−0.054	0.957	4.913	0.000	1.716	0.089
MAD, cm	11.04 ± 2.88	10.10 ± 2.03	10.46 ± 1.85	9.83 ± 1.44	−2.711	0.004	1.548	0.124	−3.168	0.002
KJLTA, deg	−0.24 ± 3.77	0.72 ± 4.55	−1.60 ± 4.36	2.36 ± 5.19	1.792	0.076	−4.136	0.000	10.417	0.000
AJLO, deg	−4.36 ± 3.17	−4.67 ± 4.81	−1.93 ± 4.55	−5.38 ± 6.35	0.082	0.551	3.592	0.000	−6.747	0.000

Abbreviations: AJLO, Ankle joint line orientation; HKA, Hip‐knee‐ankle angle; KJLO, Knee joint line orientation; KJLTA, the knee joint line relative to ankle joint line angle; LDFA, Lateral distal femoral angle; MAD, Midpoints of the ankle distance; MPTA, Medial proximal tibial angle.

^a Postop 1 year vs Postop 3 month.

^b Postop 3 month vs Postop 3 day.

^c Postop 3 day vs Preop.