Table 1.
Patient characteristics
| Tomotherapy (N = 19) | |
|---|---|
| Variable | No. of patient (%) |
| Age (years) | |
| Median | 50 |
| Range | 24-70 |
| Gender | |
| Male | 17 (89.5%) |
| Female | 2 (10.5%) |
| Smoking | |
| Yes | 16 (84.2%) |
| No | 3 (15.8%) |
| Alcohol drinking | |
| Yes | 10 (52.6%) |
| No | 9 (47.4%) |
| Betel nut chewing | |
| Yes | 12 (61.2%) |
| No | 7 (36.8%) |
| ^ECOG Performance Status | |
| 0 | 9 (47.4%) |
| 1 | 9 (47.4%) |
| 2 | 1 (5.2%) |
| Subsite | |
| Oral tongue | 9 (47.4%) |
| Buccal mucosa | 6 (31.6%) |
| Gingiva | 3 (15.8%) |
| Retromolar trigone | 1 (5.3%) |
| Pathology | |
| Squamous cell carcinoma | 19 (100%) |
| Resection-margin status | |
| Positive | 1 (5.3%) |
| Close | 9 (47.4%) |
| Negative | 9 (47.4%) |
| Extracapsular spread | |
| Positive | 8 (42.1%) |
| Negative | 11 (57.9%) |
| Perineural involement | |
| Positive | 14 (73.7%) |
| Negative | 5 (26.3%) |
| Lymphovascular Space Involvement | |
| Positive | 13 (68.4%) |
| Negative | 6 (31.6%) |
| Lymph-node involvement ≥2 Positive | |
| Positive | 11 (57.9%) |
| Negative | 8 (42.1%) |
| Pathology stage: | |
| Tumor stage | |
| Stage II | 1 (5.3%) |
| Stage III | 5 (26.3%) |
| Stage IVA | 13 (68.4%) |
| Stage IVB | 0 |
| Primary Tumor stage | |
| T1 | 0 |
| T2 | 6 (31.6%) |
| T3 | 8 (42.1%) |
| T4a | 5 (26.3%) |
| T4b | 0 |
| Regional Lymph Node stage | |
| N0 | 5 (26.3%) |
| N1 | 3 (15.8%) |
| N2a | 0 |
| N2b | 8 (42.1%) |
| N2c | 3 (15.8%) |
| N3 | 0 |
Abbreviations:
ECOG Performance Status = Eastern Cooperative Oncology Group Performance Status.