Table 5.
Correlations between anatomic and planning characteristics and doses to OAR (N = 31).
| Dosimetric parameter | Anatomical parameters |
|||||
|---|---|---|---|---|---|---|
| ΔHVIF | p value | Δmean CD | p value | Δ MHD | p value | |
| HEART | ||||||
| Max Heart Dose(Gy) | −0.18 | 0.31 | 0.023 | 0.901 | 0.03 | 0.83 |
| Mean Heart Dose(Gy) | 0.89 | 0.000 | 0.72 | 0.000 | 0.35 | 0.05 |
| V5 (%) | 0.78 | 0.000 | 0.68 | 0.000 | 0.45 | 0.01 |
| V10 (%) | 0.84 | 0.000 | 0.69 | 0.000 | 0.39 | 0.02 |
| V30 (%) | 0.87 | 0.000 | 0.59 | 0.000 | 0.17 | 0.36 |
| LAD | ||||||
| Max LAD Dose(Gy) | 0.27 | 0.13 | 0.15 | 0.39 | 0.20 | 0.26 |
| Mean LAD Dose(Gy) | 0.65 | 0.000 | 0.31 | 0.08 | 0.20 | 0.28 |
| V5 (%) | 0.09 | 0.60 | 0.26 | 0.15 | 0.07 | 0.69 |
| V40 (%) | 0.22 | 0.23 | 0.21 | 0.25 | 0.29 | 0.11 |
LAD- Left Anterior Descending Artery; Δ- Difference of the dosimetric parameters between FB and DIBH scans; HVIF- Heart Volume in Field; CD- Chest Depth; MHD- Maximum Heart Depth.