Table 6 Gamma passing rates of the transmission factor verification measurements in the clinical plans (unit: %)
Criteria | Original plan without Dolphin Average ± standard deviation (range) | Normalized plan with Dolphin Average ± standard deviation (range) | ||
|---|---|---|---|---|
Portal dosimetry | ArcCheck | Portal dosimetry | ArcCheck | |
2%/2 mm | 98.1 ± 2.1 (95.2 ~ 100) | 97.3 ± 3.2 (91.2 ~ 100) | 97.2 ± 2.8 (94.3 ~ 98.2) | 96.9 ± 2.9 (90.1 ~ 98.3) |
1%/1 mm | 82.9 ± 12.6 (69.1 ~ 99.5) | 81.4 ± 15.3 (57.2 ~ 98.2) | 79.1 ± 14.8 (73.2 ~ 98.3) | 75.8 ± 18.8 (61.9 ~ 94.3) |