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Collimator angle specific MLC tracking accuracy. Results are shown as average and one standard deviation among all plans and all traces. Gamma is calculated within an ROI defined by 20% isodose line.
| 3%/3mm Gamma Pass Rate: Average (range) |
2%/2mm Gamma Pass Rate: Average (range) |
|
|---|---|---|
| Arc 1 (coll = 0°) | 92.9% (74.6% – 99.5%) |
81.7% (59.7% – 97.0%) |
| Arc 2 (coll = 90°) | 98.0% (89.4% – 100.0%) |
91.8% (73.1% – 99.7%) |
| Plan (Arc1 + 2) | 94.6% (83.1% – 99.7%) |
86.0% (67.9% – 95.6%) |
