Table 2 Values of V eff and mean FED
ID. | Nominal diameter of GTV (cm) | V33 | V42 | Veff* | DMean | Mean FED* | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
IMRT (%) | SSPT (%) | IMRT (%) | SSPT (%) | IMRT | SSPT | p-value | IMRT (Gy) | SSPT (Gy) | IMRT (Gy) | SSPT (Gy) | p-value | ||
1 | 3.4 | 21.4 | 19.3 | 18.1 | 15.9 | 0.56 | 0.29 | 0.021 | 24.4 | 16.3 | 35.9 | 20.2 | 0.012 |
2 | 4.8 | 26.4 | 19.1 | 20.8 | 14.2 | 0.49 | 0.30 | 21.4 | 16.4 | 33.1 | 20.1 | ||
3 | 5.1 | 18.7 | 15.9 | 15.5 | 14.5 | 0.46 | 0.25 | 19.8 | 13.6 | 30.3 | 16.6 | ||
4 | 5.4 | 25.4 | 17.8 | 17.9 | 17.9 | 0.40 | 0.24 | 24.2 | 17.7 | 32.8 | 15.2 | ||
5 | 6.3 | 31.2 | 21.2 | 23.2 | 20.2 | 0.47 | 0.33 | 37.9 | 22.4 | 37.9 | 19.9 | ||
6 | 7.8 | 61.8 | 30.0 | 40.9 | 28.3 | 0.70 | 0.47 | < 0.001 | 36.9 | 27.4 | 52.5 | 33.1 | < 0.001 |
7 | 8.2 | 67.5 | 27.3 | 59.7 | 27.3 | 0.72 | 0.49 | 36.1 | 28.1 | 54.5 | 32.5 | ||
8 | 8.3 | 76.9 | 41.2 | 42.7 | 27.7 | 0.62 | 0.32 | 32.7 | 17.4 | 56.7 | 24.2 | ||
9 | 8.7 | 70.0 | 45.6 | 60.4 | 27.9 | 0.75 | 0.53 | 38.3 | 28.6 | 58.1 | 33.3 | ||
10 | 11.1 | 61.3 | 39.8 | 60.2 | 28.2 | 0.76 | 0.44 | 38.8 | 24.4 | 67.9 | 27.3 | ||
11 | 12.1 | 89.5 | 50.9 | 67.3 | 30.9 | 0.83 | 0.57 | 41.9 | 31.7 | 75.4 | 32.4 | ||
12 | 14.6 | 70.9 | 48.2 | 55.3 | 29.7 | 0.73 | 0.45 | 37.1 | 25.6 | 64.2 | 30.4 | ||
13 | 16.1 | 64.7 | 48.5 | 62.4 | 37.9 | 0.86 | 0.55 | 42.4 | 30.3 | 78.4 | 31.5 | ||
ave. | 8.6 | 52.7 | 32.7 | 41.9 | 24.7 | 0.64 | 0.40 | 33.2 | 23.4 | 52.1 | 25.9 | ||