Table 3 Binary logistic regression analysis to assess the association between preoperative factors and dissatisfaction and persistent pain after TKA
Variable | Dissatisfaction | Persistent pain during exercise | Persistent pain at rest | ||||||
|---|---|---|---|---|---|---|---|---|---|
OR | 95% CI | p | OR | 95% CI | p | OR | 95% CI | p | |
Gender | |||||||||
Female | 1 | 1 | 1 | ||||||
Male | 1.64 | 0.68 – 3.96 | 0.268 | 0.80 | 0.41 – 1.56 | 0.526 | 1.06 | 0.39 – 2.89 | 0.903 |
Higher BMI | 0.98 | 0.90 – 1.06 | 0.588 | 1.02 | 0.96 – 1.08 | 0.569 | 1.03 | 0.95 – 1.12 | 0.513 |
Older age | 0.92 | 0.85 – 0.99 | 0.029 | 0.93 | 0.87 – 0.99 | 0.022 | 0.84 | 0.77 – 0.93 | <0.001 |
At work | 0.53 | 0.21 – 1.33 | 0.178 | 0.80 | 0.42 – 1.54 | 0.507 | 1.77 | 0.43 - 7.34 | 0.434 |
Alignment | |||||||||
Varus | 1 | 1 | 1 | ||||||
Valgus | 0.86 | 0.23 – 3.19 | 0.818 | 1.01 | 0.41 – 2.50 | 0.976 | 1.95 | 0.56 – 6.82 | 0.296 |
KL-grade | |||||||||
3-4 | 1 | 1 | 1 | ||||||
2 | 4.22 | 1.67 – 10.66 | 0.002 | 1.51 | 0.69 – 3.33 | 0.306 | 1.85 | 0.61 – 5.62 | 0.275 |
Comorbidities | |||||||||
No | 1 | 1 | 1 | ||||||
Yes | 1.63 | 0.55 – 4.83 | 0.377 | 0.92 | 0.36 – 2.33 | 0.855 | 0.68 | 0.15 – 3.12 | 0.615 |