Table 2.
Univariable and multivariable logistic regression analysis for predicting the presence of progression group
| Crude OR (95% CI) | p value | Adjusted OR (95% CI) | p value | |
|---|---|---|---|---|
| Age, years | 0.91 (0.79–1.05) | 0.192 | – | |
| Body mass index, kg/m2 | 0.83 (0.68–1.01) | 0.067 | – | |
| Radiographic OA severities, reference = mild | Ref | |||
| Severe | 0.42 (0.10–1.74) | 0.231 | – | |
| KSS function score,/100 | 1.07 (1.01–1.13) | 0.032 | 1.06 (0.97–1.15) | 0.192 |
| KSS symptom score, /100 | 1.15 (1.00–1.33) | 0.050 | 1.19 (0.97–1.46) | 0.099 |
| Knee extensor strength, Nm | 1.02 (0.99–1.05) | 0.252 | 1.01 (0.97–1.05) | 0.648 |
| Muscle thickness of vastus medialis, cm | 0.44 (0.09–2.16) | 0.314 | 0.48 (0.05–4.77) | 0.528 |
| Echo intensity of vastus medialis, a.u | 1.10 (1.01–1.20) | 0.023 | 1.13 (1.03–1.25) | 0.014 |
| ECW/ICW ratio | 0.85 (0.01–143.6) | 0.950 | 5.05 (0.01–4884.01) | 0.644 |
Multivariable logistic regression analysis was conducted for the dependent variable of the progression/no-progression groups (reference, no progressive group = 0, [n = 20]; progressive group = 1, [n = 13]), with adjustment for the age, body mass index, and radiographic OA severity
OR odds ratio, CI confidence interval, OA osteoarthritis, ECW/ICW extracellular-to-intracellular water, a.u. arbitrary unit