Table 5.
Statistics of D80 and D10 for each structure with the 20-Gy cohort.
| Structure | D80 (Gy) | D10 (Gy) | ||||
|---|---|---|---|---|---|---|
| Avg ± StdDev | 1st quartile | 3rd quartile | Avg ± StdDev | 1st quartile | 3rd quartile | |
| Skeletal bones | 20.3 ± 0.3 | 20.3 | 20.5 | 21.7 ± 0.5 | 21.4 | 22.0 |
| Lymph nodes | 20.0 ± 0.6 | 19.8 | 20.4 | 21.6 ± 0.5 | 21.3 | 21.9 |
| Spinal canal | 20.2 ± 0.4 | 20.1 | 20.4 | 21.0 ± 0.5 | 20.7 | 21.3 |
| Spleen | 20.2 ± 0.5 | 20.0 | 20.5 | 21.6 ± 0.6 | 21.2 | 21.9 |
| Skull | 19.9 ± 0.5 | 19.7 | 20.2 | 21.6 ± 0.6 | 21.3 | 21.8 |
| Ribs | 17.9 ± 1.3 | 17.4 | 18.8 | 21.6 ± 0.6 | 21.3 | 21.8 |
| Brain | 12.2 ± 0.4 | 12.0 | 12.4 | 16.2 ± 1.5 | 14.7 | 17.6 |
| Liver | 12.1 ± 0.4 | 11.9 | 12.3 | 14.7 ± 1.3 | 13.7 | 15.4 |
| Bladder | 6.4 ± 1.3 | 5.4 | 7.0 | 15.4 ± 2.1 | 14.2 | 16.8 |
| Female breasts | 12.2 ± 1.9 | 11.0 | 13.1 | 19.8 ± 1.4 | 19.3 | 20.8 |
| Esophagus | 4.8 ± 0.6 | 4.4 | 5.1 | 9.6 ± 2.0 | 8.4 | 10.7 |
| Eyes | 2.7 ± 0.5 | 2.4 | 2.9 | 6.0 ± 1.6 | 4.9 | 6.6 |
| Heart | 5.0 ± 0.6 | 4.7 | 5.4 | 11.5 ± 1.1 | 10.8 | 12.2 |
| Lower GI | 6.3 ± 1.2 | 5.5 | 7.0 | 16.7 ± 1.5 | 15.8 | 17.6 |
| Upper GI | 6.3 ± 1.4 | 5.3 | 7.2 | 13.8 ± 1.9 | 12.7 | 15.1 |
| Kidneys (total) | 4.9 ± 0.6 | 4.5 | 5.3 | 12.0 ± 1.6 | 11.0 | 12.9 |
| Larynx | 4.7 ± 1.7 | 3.6 | 5.2 | 12.2 ± 3.1 | 10.2 | 14.2 |
| Lens (total) | 2.3 ± 0.3 | 2.1 | 2.4 | 2.9 ± 0.6 | 2.5 | 3.2 |
| Lungs (total) | 5.6 ± 0.6 | 5.3 | 6.0 | 13.3 ± 1.6 | 12.1 | 14.5 |
| Optic nerves and chiasm | 8.3 ± 2.5 | 6.7 | 9.9 | 13.0 ± 1.6 | 12.5 | 14.0 |
| Oral cavity | 2.8 ± 0.6 | 2.4 | 3.2 | 7.8 ± 2.4 | 5.8 | 9.1 |
| Uterus and ovaries | 5.8 ± 1.3 | 4.9 | 6.4 | 13.7 ± 3.8 | 11.3 | 16.2 |
| Parotids (total) | 4.7 ± 1.1 | 4.0 | 5.2 | 13.8 ± 2.0 | 12.3 | 15.0 |
| Rectum | 5.0 ± 0.7 | 4.6 | 5.5 | 9.5 ± 2.2 | 7.9 | 11.0 |
| Thyroid | 5.7 ± 1.9 | 4.5 | 5.8 | 11.9 ± 2.7 | 10.0 | 13.4 |
The target volumes are denoted with bold font. The structure of skeletal bones does not include the ribs or skull.