Plan error type | H&N 1 (IMRT) | H&N 2 (IMRT) | Breast 1 (IMRT) | Breast 2 (VMAT) | Rectum 1 (VMAT) | Rectum 2 (VMAT) |
---|---|---|---|---|---|---|
MU increased by 1% (e1) | 97.6 | 98.2 | 98.4 | 97.5 | 97.3 | 97.8 |
MU increased by 3% (e2) | 95.7 | 96.4 | 93.4 | 91.5 | 89.7 | 87.3 |
MU increased by 5% (e3) | 76.4 | 81.2 | 79.3 | 72.7 | 69.8 | 75.9 |
MU increased by 10% (e4) | 62.5 | 58.4 | 69.4 | 52.4 | 57.6 | 48.7 |
MU decreased by 5% (e5) | 81.5 | 77.3 | 68.4 | 69.1 | 74.1 | 73.7 |
Offset by 5 mm toward right (e6) | 98.2 | 97.6 | 98.2 | 96.5 | 94.8 | 96.1 |
Offset by 10 mm toward right (e7) | 97.5 | 98.1 | 99.1 | 96.3 | 98.3 | 95.3 |
Offset by 20 mm toward right (e8) | 93.4 | 92.5 | 94.7 | 91.3 | 92.4 | 94.8 |
Offset by 5 mm toward anterior (e9) | 98.1 | 100 | 99.5 | 98.8 | 98.4 | 97.1 |
Offset by 10 mm toward anterior (e10) | 97.9 | 98.8 | 97.8 | 96.7 | 95.2 | 94.9 |
Offset by 20 mm toward anterior (e11) | 98.5 | 99.2 | 98.5 | 97.1 | 98.3 | 96.4 |
MLC leaves opened by 5 mm (e12) | 48.2 | 54.5 | 39.1 | 29.8 | 37.2 | 19.7 |
MLC leaves shifted in same direction by 5 mm (e13) | 79.8 | 68.5 | 59.4 | 64.4 | 56.9 | 70.1 |
MLC leaves of bank B within the field shifted by 5 mm (e14) | 56.4 | 49.7 | 43.6 | 38.4 | 27.9 | 40.6 |
MLC leaves of central four leaf-pairs opened by 10 mm (e15) | 76.9 | 80.7 | 84.1 | 79.3 | 73.4 | 69.5 |
Gantry angle offset by + 5 | 96.3 | 94.2 | 94.7 | |||
Gantry angle offset by + 10 | 82.6 | 86.9 | 79.4 |