Table 1.
Comparison of deviation rates for clinical trial studies with and without radiotherapy credentialing.
| Clinical trial group | Disease site | Credentialing | Major deviations | Minor deviations | Number of patients |
|---|---|---|---|---|---|
| GOG | Endometrial | No | 29 (15%) | 37 (19%) | 197 |
| NSABP | Breast | No | 135 (9%) | 214 (15%) | 1460 |
| RTOG | Cervical | No | 43 (14%) | 76 (24%) | 315 |
| RTOG | H&N | No | 75 (7%) | 188 (18%) | 1073 |
| GOG | Cervical (LDR) | No | 57 (21%) | 87 (32%) | 275 |
| GOG | Cervical (HDR) | Yes | 0 | 15 (21%) | 70 |
| COMS | Ocular | Yes | 43 (5%) | 47 (4%) | 1166 |
| RTOG | Breast | Yes | 0 | 4 (4%) | 100 |
| RTOG | Prostate | Yes | 0 | 6 (5%) | 117 |
| NSABP | Breast | Yes | 3 (0.3%) | 172 (11%) | 1612 |