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Table 3 Significance of Slopes

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

  

Slope (Pearson's r)

95% CI

P-value

Overall BMI Trends

THA

0.02

-0.07 to 0.11

0.617

Annual Physicals

0.33

0.28 to 0.39

< 0.001

Underweight

THA

0.06

-0.03 to 0.16

0.156

Annual Physicals

-0.16

-0.25 to -0.07

0.005

Obese

THA

-0.12

-1.08 to 0.84

0.772

Annual Physicals

1.91

1.59 to 2.23

< 0.001

Class I Obesity

THA

-0.44

-1.37 to 0.50

0.296

Annual Physicals

1.02

0.82 to 1.23

< 0.001

Class II Obesity

THA

0.15

-0.16 to 0.46

0.281

Annual Physicals

0.55

0.46 to 0.64

< 0.001

Class III Obesity

THA

0.18

0.03 to 0.38

0.077

Annual Physicals

0.33

0.28 to 0.38

< 0.001