Trends of obesity rates between primary total hip arthroplasty patients and the general population from 2013 to 2020

Table 2 Trends of BMI 2013–2020 (BMI; kg/m²)

	THA	Annual Physicals	Unstandardized Beta (95% CI)	P-value
2013	29.3 ± 6.00 (n = 832)	25.39 ± 5.33 (n = 23,837)	-1.65 (-2.03 to -1.27)	< 0.001
2014	29.07 ± 5.89 (n = 1,109)	25.70 ± 5.40 (n = 39,341)	-1.44 (-1.76 to -1.12)	< 0.001
2015	28.97 ± 6.06 (n = 1,379)	26.30 ± 5.58 (n = 66,708)	-1.04 (-1.33 to -0.74)	< 0.001
2016	28.91 ± 6.25 (n = 1,584)	26.59 ± 5.75 (n = 99,086)	-0.82 (-1.10 to -0.53)	< 0.001
2017	28.77 ± 5.85 (n = 1,709)	26.90 ± 5.88 (n = 147,724)	-0.43 (-0.71 to -0.15)	< 0.001
2018	28.93 ± 5.93 (n = 1,777)	27.36 ± 6.04 (n = 214,520)	-0.32 (-0.60 to -0.04)	< 0.001
2019	29.34 ± 6.07 (n = 1,547)	27.47 ± 6.06 (n = 236,238)	-0.72 (-1.02 to -0.42)	< 0.001
2020	29.38 ± 6.03 (n = 1,313)	27.64 ± 6.13 (n = 212,464)	-0.72 (-1.06 to -0.39)	< 0.001

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