Table 2a.
Summary of Nonlinear Knee-Flexion ROM Analysis
| Effects | Unconditional Model β (95% CI) |
Conditional on Pre- arthroplasty Flexion β (95% CI) |
|---|---|---|
| Flexion Analysis | ||
| Fixed Effects | ||
| Parameters of Average Change | ||
| limit* | 113.33 (109.80, 116.19) | 94.49 (72.47, 116.50) |
| y-intercept | 79.38 (75.02, 83.73) | 79.65 (75.28, 84.02) |
| change (se) | 0.85 (0.81, 0.89) | 0.85 (0.81, 0.89) |
| pre-flexion** | N/A | 0.17 (0, 0.35) |
| Random Effects | ||
| Standard deviation of individual differences from average | ||
| limit | 10.15 | 9.60 |
| y-intercept | 9.55 | 9.63 |
| Within patient | 8.11 | 8.13 |
*
Standard error
**
Pre-arthroplasty flexion range