Table 2.
Beta-coefficients (ß) and p-values for association between post-operative comorbidity measures and the pain and function measures post-TKA
| Coefficient (95 % CI); p-value | ||||
|---|---|---|---|---|
| Charlson Index | Medical subscale Index* | Local Musculoskeletal subscale Index* | TKA-Related subscale Index* | |
| SF36 Physical Functioning (PF) | -0.07 (-0.11, -0.03); p = 0.001 | -0.03 (-0.05, -0.01); p = 0.002 | -0.05 (-0.08, -0.02); p = 0.001 | 0.04 (-0.22, 0.13); p = 0.64 |
| WOMAC Physical Function (PF) | 0.08 (0.03, 0.12); p < 0.001 | 0.02 (-0.004, 0.04); p = 0.11 | 0.06 (0.01, 0.10); p = 0.01 | 0.04 (-0.23, 0.31); p = 0.76 |
| SF-36 Bodily Pain (BP) | -0.06 (-0.09, -0.02); p = 0.002 | -0.04 (-0.06, -0.02); p < 0.001 | -0.04 (-0.08, -0.004); p = 0.03 (- | Not calculable |
| WOMAC Pain | -0.013 (-0.07, 0.04); p = 0.64 | -0.01 (-0.04, 0.02); p = 0.44 | 0.02 (-0.04, 0.07); p = 0.49 | -0.21* (-0.49, 0.08); p = 0.15 |
--, not assessed
SF-36, Short Form 36; WOMAC, Western Ontario McMaster Universities Osteoarthritis index
Significant p-values are in bold
*estimate not reliable, since model fit wasn’t good and the model did not converge
*index, novel medical/surgical comorbidity severity index