Table 5.
Dose-volume histogram (DVH)-derived statistics for target coverage in the 57 head–neck cancer patients in our study.
| Primary Tumor. Target |
DVH Metric | S * | Median (P25–P75) % | Difference with S1 * | % | p ** |
|---|---|---|---|---|---|---|
| Planning target volume (PTV) | V95% | 1 | 98.72 (97.96–99.34) |
|||
| 2 | 98.64 (97.25–99.37) |
−0.08 | −0.08% | 0.35 | ||
| 3 | 94.70 (87.10–97.60) |
−4.02 | −4.07% | 0.00 | ||
| Clinical target volume (CTV) | V95% | 1 | 99.96 (99.77–99.99) |
|||
| 2 | 99.91 (99.31–99.99) |
−0.05 | −0.05 | 0.30 | ||
| 3 | 97.90 (92.33–99.58) |
−2.06 | −2.06 | 0.00 |
* S, scenario: 1, OPLAN; 2, APLAN; 3 DPLAN. ** Statistical significance was evaluated considering scenario 1 as the reference using the Mann–Whitney test.