Table 2.
Comparison of inter-subject variations for modified contours and manual contours. 3D-DSC and 3D-MSD measure the distance between 9 individual contours and the average contours.
| Test no. | Modified Contours | Manual Contours | ||
|---|---|---|---|---|
|
| ||||
| 3D-DSC (%) | 3D-MSD (mm) | 3D-DSC (%) | 3D-MSD (mm) | |
|
| ||||
| Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | |
| 1 | 74.7 ± 6.2 | 1.6 ± 0.3 | 49.3 ± 11.8 | 3.4 ± 0.9 |
| 2 | 71.4 ± 3.9 | 1.4 ± 0.4 | 45.9 ± 10.9 | 3.0 ± 0.8 |
| 3 | 72.3 ± 5.3 | 1.6 ± 0.4 | 46.5 ± 14.2 | 3.5 ± 1.0 |
| 4 | 75.0 ± 6.9 | 1.4 ± 0.4 | 49.8 ± 10.2 | 2.7 ± 0.7 |
| 5 | 74.4 ± 7.5 | 1.6 ± 0.3 | 49.4 ± 12.1 | 3.0 ± 1.0 |
| 6 | 75.6 ± 3.3 | 1.6 ± 0.3 | 49.0 ± 12.3 | 3.3 ± 1.2 |
| 7 | 73.4 ± 8.5 | 1.5 ± 0.3 | 50.2 ± 13.5 | 3.2 ± 0.9 |
| 8 | 72.9 ± 4.7 | 1.7 ± 0.4 | 47.4 ± 10.8 | 3.3 ± 0.8 |
| 9 | 71.6 ± 6.0 | 1.4 ± 0.4 | 46.8 ± 11.2 | 3.0 ± 0.9 |
| 10 | 72.6 ± 6.4 | 1.6 ± 0.4 | 45.8 ± 11.1 | 3.5 ± 1.3 |
Abbreviations: 3D-DSC = three-dimensional Dice similarity coefficient; 3D-MSD = three-dimensional mean surface distance; SD = standard deviation.