Table 3.

Cut-off values from receiver operating characteristic and multivariate odds ratio from logistic regression analysis (eROM = extension range of motion).

	Odds Ratio	Had TKA	No TKA	Total	Percent Correct
Age (years)
<= 60		16	48	64	75
>60	1.13	21	26	47	45
Total		37	74	111
eROM (degrees)
<= 0		15	50	65	77
>1	1.23	24	31	55	44
Total		39	81	120
KOS-ADLS (%)
>50	0.96	14	46	60	77
<= 50		18	21	39	46
Total		32	67	99