| Prescribed dose error (%) | Gamma passing rate (%) | ||
| H & N | Prostate | ||
| Increasing | 2.0 | 89.5 ± 2.8 | 98.6 ± 1.4 |
| 4.0 | 82.6 ± 3.0 | 90.9 ± 6.6 | |
| 6.0 | 75.1 ± 4.2 | 82.8 ± 10.4 | |
| Decreasing | −2.0 | 95.1 ± 4.6 | 95.7 ± 3.4 |
| −4.0 | 93.3 ± 5.7 | 83.4 ± 12.1 | |
| −6.0 | 87.3 ± 7.4 | 73.5 ± 16.1 | |