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Quality assurance results of both spine and lung cases
| Metric | Spine case | Lung case | ||
|---|---|---|---|---|
| Mean | 1 SD | Mean | 1 SD | |
| ArcCheck gamma pass rate (3%/2 mm) | 98.24% | 1.39% | 98.63% | 0.98% |
| Film gamma pass rate (3%/2 mm) | 97.36% | 1.53% | 96.68% | 2.56% |
| CNS dose difference | 2.51% | 1.62% | NA | NA |
| Dose gradient PTV‐CNS (%/mm) | 5.49 | 0.15 | NA | NA |
CNS: central nervous system.
