Table 3.
Dosimetric parameters of OARs with DIBH-TVMAT vs. DIBH-TIMRT
| DIBH-TVMAT | DIBH-TIMRT | p-value | ||||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | |||
| Heart | mean dose (Gy) | 3.2 | 2.1 | 1.9 | 1.8 | 0.088 |
| D2% (Gy) | 12.7 | 10.0 | 10.6 | 11.3 | 0.610 | |
| V30Gy (%) | 0.4 | 1.3 | 0.5 | 1.2 | 0.880 | |
| V10Gy (%) | 4.8 | 7.0 | 2.2 | 3.9 | 0.252 | |
| V5Gy (%) | 19.4 | 17.8 | 7.7 | 14.4 | 0.066 | |
| LAD | Dmax (Gy) | 20.1 | 15.3 | 20.6 | 17.7 | 0.934 |
| D10% (Gy) | 17.1 | 14.0 | 17.3 | 16.9 | 0.978 | |
| Left Lung | mean dose (Gy) | 6.6 | 1.9 | 7.0 | 2.3 | 0.565 |
| D2% (Gy) | 40.1 | 7.5 | 44.3 | 3.2 | 0.064 | |
| V30Gy (%) | 5.7 | 3.2 | 8.5 | 3.3 | 0.031* | |
| V20Gy (%) | 9.2 | 4.3 | 12.2 | 4.4 | 0.085 | |
| V10Gy (%) | 18.7 | 6.0 | 17.6 | 6.4 | 0.645 | |
| V5Gy (%) | 31.7 | 7.2 | 28.5 | 12.6 | 0.423 | |
| Right Lung | mean dose (Gy) | 0.7 | 0.3 | 0.5 | 0.8 | 0.386 |
| D2% (Gy) | 3.7 | 1.4 | 1.4 | 2.3 | 0.04* | |
| V10Gy (%) | 0.0 | 0.1 | 0.1 | 0.3 | 0.447 | |
| V5Gy (%) | 1.0 | 1.0 | 0.9 | 3.2 | 0.943 | |
| Right Breast | mean dose (Gy) | 2.0 | 0.6 | 3.1 | 8.9 | 0.661 |
| D2% (Gy) | 7.8 | 2.7 | 4.2 | 5.1 | 0.029* | |
| V10Gy (%) | 1.0 | 1.6 | 0.9 | 2.5 | 0.903 | |
| V5Gy (%) | 9.1 | 6.2 | 2.2 | 4.2 | 0.002* | |
Legend: Dosimetric parameters of OARs including heart, left lung, right lung, and breast with TVMAT and TIMRT under DIBH technique are presented