Table 3.

Pre-operative range of motion data (categorized)

ROM pre-operative	Open chevron	MIS	p value
R1 (ROM < 30°)	4.5%	4%
R2 (ROM 31°-75°)	50%	40%	0.491
R3 (ROM > 75°)	45.5%	56%

ROM, range of motion; MIS, minimally invasive surgery; OC, open chevron