(a) 10 cm × 10 cm field size | |||||
---|---|---|---|---|---|
iPlan RT Dose predicted dose (cGy) | Percentage deviation from measured dose | ||||
Angle | Measured dose (cGy) | No ICT | With ICT | No ICT | With ICT |
180 | 89.3 | 92.45 | 89.34 | 3.49 | 0.01 |
170 | 89.0 | 92.16 | 89.00 | 3.59 | 0.04 |
160 | 87.9 | 91.24 | 87.92 | 3.81 | 0.03 |
150 | 85.9 | 89.34 | 85.92 | 4.06 | 0.07 |
140 | 82.4 | 86.63 | 82.44 | 5.14 | 0.05 |
130 | 76.7 | 82.01 | 77.59 | 6.89 | 1.13 |
120 | 67.5 | 74.27 | 67.32 | 10.04 | -0.26 |
110 | 58.0 | 63.17 | 58.55 | 8.89 | 0.92 |
100 | 64.5 | 65.42 | 65.43 | 1.40 | 1.42 |
(b) 5 cm × 5 cm field size | |||||
180 | 81.2 | 84.09 | 80.48 | 3.55 | 0.90 |
170 | 80.8 | 83.76 | 80.14 | 3.61 | 0.87 |
160 | 79.7 | 82.74 | 79.03 | 3.88 | 0.78 |
150 | 77.5 | 80.67 | 76.76 | 4.09 | 0.96 |
140 | 74.0 | 77.79 | 73.26 | 5.13 | 0.99 |
130 | 68.3 | 72.91 | 67.74 | 6.72 | 0.85 |
120 | 59.2 | 64.71 | 58.56 | 9.27 | 1.12 |
110 | 50.0 | 53.7 | 49.78 | 7.31 | 0.52 |
100 | 56.0 | 55.74 | 55.74 | -0.55 | 0.55 |