Comparison of different degrees of varus deformity correction with open-wedge high tibial osteotomy: a retrospective study over 5 years

Table 3 Imaging indexes of hip and ankle in the normal and overcorrected groups before and at the last follow-up

Parameter	Overcorrection group	Normal group	t	P
HAA (°)
Preoperative	2.06 ± 1.72	2.29 ± 1.71	− 0.515	0.608
Final follow-up	− 2.44 ± 1.98	− 1.16 ± 2.1	2.32	0.023*
TPI (°)
Preoperative	5.54 ± 2.6	5.47 ± 5.84	0.077	0.939
Final follow-up	0.54 ± 5.01	2.66 ± 4.3	− 1.823	0.072
TIA (°)
Preoperative	7.24 ± 2.8	6.5 ± 5.33	0.812	0.42
Final follow-up	1.71 ± 5.8	3.02 ± 4.62	− 0.912	0.37

HAA Hip abduction angle TPI Tibial plafond inclination, and TIA Talar inclination angle; Mean ± standard deviation. *P < 0.05 is considered significant

ISSN: 1749-799X