Overweight and obesity in hip and knee arthroplasty: Evaluation of 6078 cases

Table 6 Relationships between age at total knee arthroplasty, Harris Hip Score, body mass index, stages of overweight/obesity and gender

	Age at TKARegression coefficient	P value	HSSRegression coefficient	P value
BMI	-0.224 (-0.263 to 0.185)	< 0.001	-0.152 (-0.208 to 0.096)	< 0.001
HSS	-0.118 (-0.132 to -0.104)	< 0.001
Gender	0.076 (-0.294 to 0.446)	< 0.001	-0.128 (-0.641 to 0.385)	< 0.001
Overweight	0.184 (-0.175 to 0.543)	< 0.001	0.115 (-0.39 to 0.62)	< 0.001
Stage I	-0.129 (-0.529 to 0.271)	< 0.001	-0.063 (-0.623 to 0.497)	< 0.001
Stage II	-0.181 (-0.715 to 0.353)	< 0.001	-0.138 (-0.885 to 0.609)	< 0.001
Stage III	-0.130 (-1.051 to 0.791)	< 0.001	-0.100 (-1.386 to 1.186)	< 0.001
Age at TKA			-0.118 (-0.144 to 0.092)	< 0.001

BMI: Body mass index; TKA: Total knee arthroplasty; HHS: Harris Hip Score.