Table 3.

Sway velocities at different degrees of bevel angle in the three groups

Comparison	Estimate ± SE	Z	P-value
Intercept	8.9341 ± 0.1099	81.28	< 0.0001
Group
Δ (Minor SBO vs. Control) at 0°	2.7636 ± 0.3707	7.45	< 0.0001
Δ (Major SBO vs. control) at 0°	4.0881 ± 0.6000	6.81	< 0.0001
Bevel degree
Δ (10° vs. 0°)	0.7340 ± 0.0979	7.50	< 0.0001
Δ (20° vs. 0°)	2.0643 ± 0.1467	14.07	< 0.0001
Eyes open vs. closed	–3.4022 ± 0.1872	–18.17	< 0.0001
Plantarflexion vs. dorsiflexion	–0.3217 ± 0.1090	–2.95	0.0032
Minor SBO vs. Control
Δ (10° vs. 0°)	–2.4165 ± 0.3844	–6.29	< 0.0001
Δ (20° vs. 0°)	–2.4786 ± 0.3606	–6.87	< 0.0001
Major SBO vs. control
Δ (10° vs. 0°)	–1.7854 ± 0.5033	–3.55	0.0004
Δ (20° vs. 0°)	–1.9780 ± 0.5002	–3.95	< 0.0001

Statistical model was assessed by using GEEs and was adjusted for age, gender, and group-by-bevel degree interaction effects

SE Standard error