Table 2.
Cases of IGRT-related variances over 1-year and their outcomes following offline multi-disciplinary assessment.
| Intervention | Variances reported by RTTs1 (N = 272) | Additional variances identified2 (N = 15) | Total (N = 287) | |
|---|---|---|---|---|
| No adaptive re-planning performed | ||||
| Continue treatment3 | 207 | 0 | 207 | |
| Repeat CT-sim only, then continue treatment | 17 | 4 | 21 | |
| Adaptive re-planning performed | ||||
| Re-plan using original CT-sim | 2 | 1 | 3 | |
| Repeat CT-sim and re-plan4 | 46 | 10 | 56 | |
Notes:
1
Reported by unit e-mail.
2
Identified in the treatment planning and record-and-verify systems.
3
Treatment later discontinued in 9 cases.
4
Treatment later discontinued in 1 case.