Inter-fractional motion over the PTV margin (mm) | Fractions (n = 2302) (%) | ||
AP | LR | SI | |
<1.0 | 2242 (97.4) | 2300 (99.9) | 2246 (97.6) |
1.0 - 1.9 | 27 (1.1) | 2 (0.1) | 24 (1.0) |
2.0 - 2.9 | 18 (0.8) | 0 | 18 (0.8) |
3.0 - 3.9 | 9 (0.4) | 0 | 6 (0.3) |
4.0 - 4.9 | 3 (0.1) | 0 | 3 (0.1) |
≥ 5.0 | 3 (0.1) | 0 | 5 (0.2) |