Table 1.
Summary statistics of the patients.
| Factor | Number of patients or average value | |
|---|---|---|
| Age | 65.3 years | |
| Sex | Male | 121 |
| Female | 60 | |
| Body mass index (BMI) | 20.3 | |
| Diabetes | (−) | 152 |
| (+) | 29 | |
| Hemoglobin | 11.2 mg/dL | |
| Leukocyte | 3105/μL | |
| Lymphocyte | 449/μL | |
| Albumin | 3.59 g/dL | |
| Creatinine | 0.848 mg/dL | |
| Concurrent therapy | RT alone | 66 |
| RT + cisplatin | 99 | |
| RT + cetuximab | 16 | |
| Radiation method | 3D-CRT | 161 |
| IMRT | 20 | |
| Total dose | 63.7 Gy | |
| Use of spacer | (−) | 138 |
| (+) | 43 | |
| Pilocarpine hydrochloride | (−) | 146 |
| (+) | 35 | |
| Corticosteroid ointment | (−) | 111 |
| (+) | 70 | |
| Number of teeth | 15.6 | |
| Number of metal teeth | 5.56 | |
| Alveolar bone loss | <1/2 | 153 |
| ≥1/2 | 28 | |
| Oral mucositis | Grade 0–2 | 125 |
| Grade 3 | 56 | |
| Total | 181 |
RT: radiotherapy, 3D-CRT: three-dimensional conformal radiation therapy, IMRT: intensity modulated radiation therapy.