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

Table 8 Relationships between preferred prosthesis type, age at total hip arthroplasty, Harris Hip Score, body mass index, stages of overweight/obesity and gender

	Cementless short stem(Reference)		Cementless standard stem (Reference)		Hybrid (cemented/cementless) (Reference)		Cemented THA(Reference)
	Regression coefficient B	P value	Regression coefficient B	P value	Regression coefficient B	P value	Regression coefficient B	P value
Cementless short stem
BMI			-0.003 (-0.015 to 0.009)	0.826	-0.025 (-0.054 to 0.004)	0.389	0.002 (-0.013 to 0.017)	0.898
Age at THA			0.007 (0.002 to 0.012)	0.132	-0.061 (-0.075 to -0.047)	< 0.001	-0.171 (-0.179 to -0.163)	< 0.001
Gender			0.609 (0.513 to 0.705)	< 0.001	0.989 (0.737 to 1.241)	< 0.001	1.134 (1.023 to 1.245)	< 0.001
HHS			0.019 (0.015 to 0.023)	< 0.001	0.043 (0.033 to 0.053)	< 0.001	0.042 (0.037 to 0.047)	< 0.001
Cementless standard stem
BMI	0.003 (-0.117 to 0.015)	0.826			-0.023 (-0.052 to 0.006)	0.432	0.004 (-0.010 to 0.018)	0.746
Age at THA	-0.007 (-0.012 to -0.002)	0.132			-0.068 (-0.082 to -0.054)	< 0.001	-0.178 (-0.185 to -0.171)	< 0.001
Gender	-0.609 (-0.705 to -0.513)	< 0.001			0.380 (0.13 to 0.63)	0.128	0.525 (0.419 to 0.631)	< 0.001
HHS	-0.019 (-0.023 to -0.015)	< 0.001			0.024 (0.014 to 0.034)	< 0.05	0.023 (0.019 to 0.027)	< 0.001
Hybrid (cemented/cementless)
BMI	0.025 (-0.004 to 0.054)	0.389	0.023 (-0.006 to 0.052)	0.432			0.027 (-0.002 to 0.056)	0.353
Age at THA	0.061 (0.047 to 0.075)	< 0.001	0.068 (0.054 to 0.082)	< 0.001			-0.110 (-0.125 to -0.095)	< 0.001
Gender	-0.989 (-1.241 to -0.737)	< 0.001	-0.380 (-0.63 to -0.13)	0.128			0.145 (-0.105 to 0.395)	0.561
HHS	-0.043 (-0.053 to -0.033)	< 0.001	-0.024 (-0.034 to -0.014)	< 0.05			-0.001 (-0.011 to 0.009)	0.926
Cemented THA
BMI	-0.002 (-0.017 to 0.013)	0.898	-0.004 (-0.018 to 0.010)	0.746	-0.027 (-0.056 to 0.002)	0.353
Age at THA	0.171 (0.163 to 0.179)	< 0.001	0.178 (0.171 to 0.185)	< 0.001	0.110 (0.095 to 0.125)	< 0.001
Gender	-1.134 (-1.245 to -1.023)	< 0.001	-0.525 (-0.631 to -0.419)	< 0.001	-0.145 (-0.395 to 0.105)	0.561
HHS	-0.042 (-0.047 to -0.037)	< 0.001	-0.023 (-0.027 to -0.019)	< 0.001	0.001 (-0.009 to 0.011)	0.926

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