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

Table 4 Imaging measurements of patellofemoral joint in the normal and overcorrected groups at preoperative and final follow-up

Parameter	Overcorrection group	Normal group	t	P
LPT (°)
Preoperative	10.72 ± 3.16	10.59 ± 2.67	0.173	0.863
Final follow-up	11.05 ± 2.54	10.78 ± 2.29	0.435	0.664
LPS (%)
Preoperative	9.73 ± 3.64	9.47 ± 3.71	0.27	0.788
Final follow-up	10.67 ± 3.64	10.27 ± 3.32	0.458	0.648
Carton–Deschamps index
Preoperative	0.94 ± 0.08	0.93 ± 0.11	0.291	0.771
Final follow-up	0.83 ± 0.05	0.83 ± 0.1	0.373	0.711
Medial patellofemoral space (mm)
Preoperative	5.69 ± 2.86	5.24 ± 2.62	0.652	0.516
Final follow-up	5.98 ± 2.98	5.42 ± 2.72	0.775	0.44
Lateral patellofemoral space (mm)
Preoperative	3.16 ± 1.72	2.93 ± 1.97	0.451	0.653
Final follow-up	3.32 ± 1.52	3.13 ± 1.79	0.418	0.677

LPT Lateral patellar tilt and LPS Lateral patellar shift; Mean ± standard deviation. *P < 0.05 is considered significant

ISSN: 1749-799X