Table 3.

Pre-operative Assessment Scores -significance of predicting excellent outcome at three years

Variable	P Value
Pre-operative HHS	< 0.001
SF-36 Physical Function	< 0.001
SF-36 Role Physical	< 0.001
SF-36 Body Pain	< 0.001
SF-36 General Health	< 0.001
SF-36 Emotional Vitality	< 0.001
SF-36 Social Functioning	< 0.001
SF-36 Role Emotional	0.09
SF-36 Mental Health	0.049