Prone | Supine | ||||||||
---|---|---|---|---|---|---|---|---|---|
Organs at risk | Mean dose ± SD (Gy) | Range (Gy) | Mean defined volume (cm3) | Range (cm3) | Mean dose ± SD (Gy) | Range (Gy) | Mean defined volume (cm3) | Range (cm3) | p-value* |
Small bowel | 5.8 ± 5.9 | 0.4 – 23.2 | 1451 | 361 - 2907 | 6.0 ± 5.2 | 0.6 - 20.0 | 1374 | 793 – 2204 | 0.85 |
Total bowel | 5.8 ± 4.5 | 1.1 – 18.9 | 2977 | 1718 – 5365 | 4.8 ± 3.4 | 0.3 – 13.9 | 2973 | 1323 – 5454 | 0.29 |
Bladder | 33.5 ± 11.7 | 6.9 – 46.3 | 211 | 45 – 647 | 32.6 ± 10.7 | 7.1 – 47.3 | 261 | 76 – 685 | 0.74 |