Table 1.
Study patients (N = 42).
| Characteristics | Values | |
|---|---|---|
| Age (year) | 59.5 ± 14.8a | |
| Gender (male/female) | 32/10 | |
| T classification† | T1 | 21 (50.0%) |
| T2 | 10 (23.8%) | |
| T3 | 4 (9.5%) | |
| T4 | 7 (16.7%) | |
| N classification | N0 | 25 (59.5%) |
| N1 | 5 (11.9%) | |
| N2 | 12 (28.6%) | |
| N3 | 0 (0%) | |
| M classification | M0 | 42 (100%) |
| Stage† | 1 | 18 (42.9%) |
| 2 | 1 (2.4%) | |
| 3 | 8 (19.0%) | |
| 4 | 15 (35.7%) | |
| Tumor sites | Oral cavity | 21 (50.0%) |
| Larynx | 15 (35.7%) | |
| Oropharynx | 2 (4.8%) | |
| Hypopharynx | 2 (4.8%) | |
| PNS | 2 (4.8%) | |
| Adjuvant RT | Not performed | 12 (28.6%) |
| Performed | 30 (71.4%) | |
| Adjuvant CT | Not performed | 38 (90.5%) |
| Performed | 4 (9.5%) | |
| Follow-up period (m) | 61.0 ± 48.9a | |
PNS paranasal sinus, RT radiation therapy, CT chemotherapy.
aMean ± standard deviation, †TNM classification & staging according to AJCC 7th edition.