Table 3 The systematic and random errors and PTV margins in 20 patients pre- and post-correction, and post-treatment.
Setup error | Pre-correction (N = 150) | Post-correction (N = 130) | Post-treatment (N = (67) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Â | LR | SI | AP | LR | SI | AP | LR | SI | AP |
M | -0.3 | -1.74 | -0.5 | 0.1 | 0.1 | 0.1 | -0.4 | 0.3 | 0.4 |
Σ | 3.7 | 5.3 | 3.1 | 0.6 | 0.8 | 0.8 | 1.2 | 1.8 | 1.2 |
σ | 2.1 | 3.7 | 2.8 | 0.8 | 1.2 | 1.3 | 1.5 | 1.5 | 2.8 |
Msetup | 9.5 | 14.1 | 8.2 | 1.5 | 2.1 | 2.1 | 3.2 | 4.7 | 3.5 |