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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