Table 4 Hounsfield values in ROIs delineated on CT images before and post-RT.
chemotherapy | no chemotherapy | p-value (t-test) | |
|---|---|---|---|
(average ± sd) | (average ± sd) | ||
Isoplan pre-RT | -815 ± 32 | -817 ± 32 | 0.419 |
isoplan post-RT | -813 ± 43 | -818 ± 29 | 0.325 |
boost post-RT | -789 ± 49 | -810 ± 47 | 0.118 |