Table 3.
Independent predictors* of incident TKA Stratified by Age at End of Follow-up. Part A: all sample; Part B: Restricted to knees at baseline KL 3 or 4
ALL SAMPLE | <65 | 65+ | ||||
---|---|---|---|---|---|---|
RR | 95% CI | p-value | RR | 95% CI | p-value | |
Race: non-White vs. White | 0.32 | 0.15 , 0.70 | 0.004 | 0.43 | 0.26 , 0.71 | <.001 |
Sex: Male vs. Female | 0.32 | 0.17 , 0.60 | <.001 | 0.79 | 0.57 , 1.1 | 0.155 |
Education: Some college or more vs. high school or less |
0.52 | 0.27 , 1.0 | 0.052 | 1.04 | 0.68 , 1.6 | 0.866 |
KL 3–4 only | <65 | 65+ | ||||
---|---|---|---|---|---|---|
RR | 95% CI | p-value | RR | 95% CI | p-value | |
Race: non-White vs. White | 0.33 | 0.13 , 0.79 | 0.014 | 0.46 | 0.26 , 0.79 | 0.005 |
Sex: Male vs. Female | 0.28 | 0.14 , 0.55 | <.001 | 0.75 | 0.53 , 1.1 | 0.108 |
Education: Some college or more vs. high school or less |
0.48 | 0.24 , 0.96 | 0.038 | 1.07 | 0.66 , 1.7 | 0.792 |
Results from multivariate Poisson regression, adjusted for baseline KL grade, baseline WOMAC Pain, baseline BMI, and baseline number of comorbidities