Table 3.
Intraclass correlation coefficient and 95% confidence intervals (single measures) between RTTs for both image registration methods and types of treatment in the three directions.
| LR direction | SI direction | AP direction | ||
|---|---|---|---|---|
| Prostate irradiation | CM + MM | 0.982 (0.975–0.987) | 0.961 (0.947–0.973) | 0.967 (0.954–0.977) |
| DRT | 0.983 (0.977–0.988) | 0.982 (0.975–0.987) | 0.960 (0.945–0.972) | |
| Prostate bed irradiation | CM + MM | 0.978 (0.969–0.984) | 0.965 (0.951–0.975) | 0.976 (0.966–0.983) |
| DRT | 0.975 (0.964–0.982) | 0.944 (0.913–0.963) | 0.952 (0.934–0.966) |
DRT: Dual registration tool; CM + MM: Chamfer match + manual match.