Table 3 Maximum spinal cord dose and mean mandibular dose (Gray) in the study group and historical control group for oropharyngeal, oral cavity, and laryngeal-hypopharyngeal cancers
| Site | Spinal cord | Mandibular | ||||
|---|---|---|---|---|---|---|
| Study | Control | p value | Study | Control | p value | |
| Oropharynx | 35.2 | 39.3 | 0.1 | 39.2 | 44.9 | 0.4 |
| Oral cavity | 33.6 | 36.9 | 0.1 | 55.4 | 57.2 | 0.4 |
| Larynx and hypopharynx | 34.2 | 36.1 | 0.5 | 30 | 31.8 | 0.8 |