Open Access
Table 1
Dosimetric comparison between treatment plans planned on DIBH CT and free breathing CT. If the p-value was over 0.05, it was considered non-significant (N.S.).
| Technique | Dosimetric endpoint | Free-breathing | DIBH | p |
|---|---|---|---|---|
| 3D-CRT | PTV V 95 (%) | 99.43 ± 0.59 | 99.28 ± 0.49 | N.S. |
| Heart D mean (Gy) | 2.66 ± 0.85 | 1.11 ± 0.24 | <0.001 | |
| LAD D 0.1CC (Gy) | 39.48 ± 1.52 | 29.97 ± 4.37 | 0.007 | |
| Left lung V 4Gy (%)* | 29.9 ± 6.55 | 28.43 ± 5.19 | N.S. | |
| Left lung V 16Gy (%)* | 15.43 ± 4.74 | 13.31 ± 3.02 | N.S. | |
| Left lung D mean (Gy) | 6.95 ± 1.74 | 6.24 ± 1.17 | N.S. | |
| Right breast D mean (Gy) | 0.19 ± 0.09 | 0.23 ± 0.11 | N.S. | |
| VMAT&IMRT | PTV V 95 (%) | 99.01 ± 1.1 | 99.31 ± 0.99 | N.S. |
| Heart D mean (Gy) | 4.59 ± 1.23 | 3.72 ± 0.79 | 0.013 | |
| LAD D 0.1CC (Gy) | 39.36 ± 7.94 | 22.64 ± 11.95 | <0.001 | |
| Left lung V5Gy (%) | 63.4 ± 6.69 | 59.79 ± 3.45 | 0.044 | |
| Left lung V 20Gy (%) | 25.66 ± 3.49 | 22.67 ± 3.36 | 0.011 | |
| Left lung D mean (Gy) | 13.84 ± 1.46 | 12.88 ± 110 | 0.028 | |
| Right breast D mean (Gy) | 3.76 ± 0.79 | 3.24 ± 0.95 | N.S. |
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