Table 4.
Average absolute error in the LR, AP, and SI directions of the seven patients in the parametric study.
| Model | Average absolute error (±SD) (mm) | |||
|---|---|---|---|---|
| ν=0.35 | ν=0.4 | ν=0.45 | ν=0.499 | |
| LR direction | ||||
| Elastic | 1.3±1.0 | 1.3±1.0 | 1.2±1.0 | 1.2±1.0 |
| Hyperelastic | 1.3±1.0 | 1.2±1.0 | 1.2±1.0 | 1.2±1.0 |
| ContFr=0 | 1.2±0.9 | 1.1±0.9 | 1.1±0.9 | 1.3±1.0 |
| ContFr=0.1 | 1.1±0.9 | 1.1±0.9 | 1.2±0.9 | 1.3±1.0 |
| ContFr=0.2 | 1.2±1.0 | 1.2±1.0 | 1.2±1.0 | 1.3±1.0 |
| AP direction | ||||
| Elastic | 1.9±1.5 | 1.8±1.5 | 1.8±1.4 | 1.7±1.4 |
| Hyperelastic | 1.9±1.4 | 1.7±1.4 | 1.7±1.4 | 1.8±1.4 |
| ContFr=0 | 1.5±1.3 | 1.5±1.3 | 1.5±1.3 | 1.8±1.4 |
| ContFr=0.1 | 1.6±1.4 | 1.6±1.3 | 1.6±1.3 | 1.8±1.5 |
| ContFr=0.2 | 1.7±1.4 | 1.6±1.3 | 1.7±1.4 | 1.9±1.5 |
| SI direction | ||||
| Elastic | 3.4±2.7 | 3.2±2.6 | 2.9±2.3 | 2.6±2.0 |
| Hyperelastic | 3.0±2.5 | 2.6±2.1 | 2.5±1.9 | 2.5±1.9 |
| ContFr=0 | 2.1±1.7 | 2.1±1.6 | 2.2±1.7 | 2.5±1.9 |
| ContFr=0.1 | 2.2±1.8 | 2.2±1.8 | 2.4±1.8 | 2.8±2.1 |
| ContFr=0.2 | 2.4±2.0 | 2.4±1.9 | 2.5±1.9 | 2.8±2.2 |