Table 2 Tumour characteristics and treatment modality
From: Surgical margins of the oral cavity: is 5 mm really necessary?
Variable | N | Relative frequency |
|---|---|---|
Oral cavity subsite – n (%) | ||
Oral tongue | 412 | 193 (46.8) |
Floor of mouth | 68 (16.5) | |
Mandible alveolus | 52 (12.6) | |
Mandible alveolus | 26 (6.3) | |
Retromolar trigone | 26 (6.3) | |
Buccal | 24 (5.8) | |
Other | 23 (5.6) | |
Clinical T stage – n (%) | ||
T1 | 412 | 110 (26.7) |
T2 | 130 (31.6) | |
T3 | 51 (12.4) | |
T4 | 121 (29.4) | |
Clinical N stage – n ( %) | ||
N0 | 412 | 284 (68.9) |
N1 | 48 (11.7) | |
N2 | 79 (19.2) | |
N3 | 1 (0.2) | |
Neck dissection – n (%) | 412 | 310 (75.2) |
Regional neck surgery laterality – n (%) | ||
Bilateral | 310 | 109 (35.2) |
Unilateral | 201 (64.8) | |
Adjuvant Therapy | ||
None – n (%) | 412 | 146 (35.4) |
Radiotherapy – n (%) | 187 (45.4) | |
Chemoradiotherapy – n (%) | 79 (19.2) | |