| Prone | Supine | p |
---|---|---|---|
Mean ± SD | |||
PTV_EVAL | |||
 PTV_EVAL volume (cm3) | 629 ± 252 | 636 ± 247 | 0.74 |
 D5% (Gy) | 52.3 ± 0.8 | 53 ± 1 | 0.004 |
 D95% (Gy) | 45.2 ± 1.4 | 42.3 ± 4.8 | 0.01 |
 Dmean (Gy) | 48.9 ± 1.8 | 48.6 ± 1.5 | 0.53 |
 HI | 1.16 ± 0.04 | 1.27 ± 0.19 | 0.008 |
OARs | |||
 Lung V20 (%) | 0.8 ± 0.8 | 4.6 ± 1.7 | <0.0001 |
 Mean lung dose (Gy) | 1.4 ± 0.6 | 3.6 ± 0.8 | <0.0001 |
 Mean heart dose (Gy) (n = 9) | 3.1 ± 1.6 | 3.0 ± 0.9 | 0.9 |