Table 5.

Comparison of published populations undergoing unloader bracing

Study	Sample size (number of patients)	Age (years)	BMI	Arthritis severity	Brace compliance	Followup (years)
Giori [10]	46	57	32	2.96	76%, 68%, & 61%	1, 2, & 3
Kirkley et al. [12]	41	59	≤ 35*	3.39	NA	0.5
Brouwer et al. [6]	60	59	28	NA	58%	1
Barnes et al. [2]	30	57	29	2.84	41%	2.7
Wilson et al. [21]	29	66	29	3.06	0%	11.2
Current study	89	63	28	2.88**	28%, 24%, & 21%	1, 2, & 3

* Average BMI not listed; however, BMI > 35 was an exclusion criteria for this study; ** arthritis severity of current data was obtained using a modified Kellgren-Lawrence grade as described and normalized here to a 4-point scale for comparison.