Table 1.

Comparison of preoperative and postoperative X‐ray measurements and joint function evaluation (n= 150)

Observation indicators	Preoperative	Postoperative	t	P
HVA (°)	33.28 ± 9.59	12.31 ± 4.64	−10.63	< 0.01
IMA (°)	11.75 ± 2.89	6.80 ± 1.95	−10.46	< 0.01
Interval between first and second metatarsal head (cm)	1.14 ± 0.26	0.96 ± 0.25	−8.81	< 0.01
Length gap between first and second metatarsal (cm)	0.39 ± 0.26	0.59 ± 0.26	−8.46	< 0.01
Width (cm)	2.11 ± 0.29	1.60 ± 0.30	20.27	< 0.01
TSP	4.29 ± 1.06	3.07 ± 0.95	−8.76	< 0.01
Plantarflexion plus dorsiflexion (°)	70.20 ± 12.82	69.53 ± 12.03	−2.66	0.078