Table 2 Factors associated with changes in HRQOL 10 years after TKA by general linear models
From: Long-term health related quality of life in total knee arthroplasty
Change in WOMAC* | ||||||
|---|---|---|---|---|---|---|
Pain | Stiffness | Function | ||||
β | p value | β | p value | β | p value | |
Age (as continuous) | -0.34 | 0.036 | -0.50 | 0.008 | -0.76 | < 0.001 |
Age categorized | ||||||
≤ 65 | -ref- | -ref- | -ref- | -ref- | -ref- | -ref- |
65–75 | -2.22 | 0.373 | -0.74 | 0.798 | -2.76 | 0.312 |
≥ 75 | -2.26 | 0.479 | -5.72 | 0.123 | -9.80 | 0.005 |
Gender | ||||||
Female | -ref- | -ref- | -ref- | -ref- | -ref- | -ref- |
Male | 4.37 | 0.058 | 2.84 | 0.301 | 5.89 | 0.020 |
BMI (as continuous) | -0.85 | 0.0004 | -0.82 | 0.004 | -0.87 | 0.001 |
BMI categorized | ||||||
BMI < 25 | -ref- | -ref- | -ref- | -ref- | -ref- | -ref- |
25 ≤ BMI < 30 | -3.56 | 0.342 | -1.48 | 0.746 | -1.17 | 0.780 |
30 ≤ BMI < 35 | -6.88 | 0.070 | -3.97 | 0.388 | -5.96 | 0.159 |
BMI ≥ 35 | -12.87 | 0.004 | -11.11 | 0.038 | -12.23 | 0.014 |
Having social support | 3.09 | 0.323 | 6.39 | 0.081 | 0.71 | 0.839 |
Civil status categorized | ||||||
Married or Partner | -3.06 | 0.151 | -1.60 | 0.528 | -0.08 | 0.975 |
Divorced, widowed or single | -ref- | -ref- | -ref- | -ref- | -ref- | -ref- |
Comorbidity | ||||||
Myocardial infarction | 0.25 | 0.965 | -12 | 0.080 | -3.83 | 0.566 |
Congestive heart disease | -2.81 | 0.610 | 3.14 | 0.637 | 2.91 | 0.630 |
Hypertension | -2.07 | 0.308 | -2.99 | 0.222 | -6.15 | 0.007 |
Peripheral vascular disease | -1.11 | 0.701 | -1.95 | 0.577 | -2.91 | 0.371 |
Chronic pulmonary disease | 2.68 | 0.460 | 5.48 | 0.208 | 2.61 | 0.522 |
Ulcer disease | -6.75 | 0.206 | -6.91 | 0.269 | -2.51 | 0.668 |
Diabetes | -2.37 | 0.451 | -0.48 | 0.900 | -5.02 | 0.159 |
Cancer Tumour | -0.18 | 0.983 | 4.60 | 0.658 | 2.94 | 0.763 |
Cerebrovascular disease | -6.79 | 0.269 | -8.86 | 0.212 | -7.97 | 0.249 |
Back pain (backache) | -5.31 | 0.112 | -3.09 | 0.447 | -3.10 | 0.411 |
Rheumatologic disease | -8.99 | 0.013 | -5.96 | 0.170 | -6.37 | 0.121 |
Depression | -10.24 | 0.006 | -11.17 | 0.012 | -15.43 | < 0.001 |
Other pathologies | ||||||
Back | -3.96 | 0.133 | -0.34 | 0.915 | -3.57 | 0.230 |
Homolateral hip | -7.34 | 0.170 | -6.29 | 0.311 | -6.17 | 0.308 |
Contraletral hip | -1.88 | 0.683 | -1.95 | 0.718 | -3.21 | 0.536 |
Contralateral knee | -3.31 | 0.114 | -5.46 | 0.029 | -2.63 | 0.265 |
Upper limbs | -6.34 | 0.187 | -9.94 | 0.084 | -5.91 | 0.275 |
OA severity (Ahlbäck scale) | ||||||
Mild or moderate | -ref- | -ref- | -ref- | -ref- | -ref- | -ref- |
Severe | 3.46 | 0.208 | 2.055 | 0.515 | 3.97 | 0.200 |
Days in hospital | -0.23 | 0.402 | -0.89 | 0.005 | -0.46 | 0.134 |
Postoperative complications | 3.98 | 0.178 | 3.26 | 0.357 | 4.84 | 0.146 |
Readmissions (6 months) | -1.42 | 0.629 | -7.05 | 0.045 | -4.92 | 0.131 |
Complications from hospital discharge | -5.72 | 0.120 | -9.51 | 0.032 | -7.37 | 0.074 |
Rehabilitation from hospital discharge | 1.54 | 0.482 | 1.65 | 0.527 | 0.64 | 0.795 |
Reintervention during the follow-up | -7.63 | 0.024 | -8.56 | 0.034 | -9.70 | 0.010 |