Table 2.
Associations of adjuvant radiotherapy with clinicopathological characteristics after excluding patients with adverse risk factors—second group
| Adjuvant radiotherapy | |||
|---|---|---|---|
| (−) | (+) | p values | |
| Characteristics | n = 20 | n = 20 | |
| Age (years)a | 55.7 ± 11.2 (79.7, 41.0) | 56.4 ± 10.2 (72.3, 36.6) | 0.56 |
| Sex | |||
| Male | 17 | 19 | 0.29 |
| Female | 3 | 1 | |
| Lesion site | |||
| Buccal mucosa | 10 | 8 | 0.47 |
| Mouth floor | 3 | 1 | |
| Gum | 2 | 2 | |
| Lip | 0 | 2 | |
| Tongue | 5 | 7 | |
| pT Status | |||
| 1 | 2 | 3 | 0.24 |
| 2 | 15 | 9 | |
| 3 | 2 | 4 | |
| 4 | 1 | 4 | |
| Overall pathological stage | |||
| III | 19 | 16 | 0.15 |
| IV | 1 | 4 | |
| ASA-PS classification | |||
| 1 | 1 | 0 | 0.43 |
| 2 | 7 | 10 | |
| 3 | 12 | 10 | |
| Neck recurrence | |||
| (−) | 19 | 16 | 0.15 |
| (+) | 1 | 4 | |
| Distant metastasis | |||
| (−) | 20 | 19 | 0.31 |
| (+) | 0 | 1 | |
aMean ± SD (maximum, minimum)
ASA-PS American Society of Anesthesiologists physical status classification