Table 1.
Baseline clinicopathological characteristics of patients with oral cavity squamous cell carcinoma (n = 853).
| Variable | Characteristics |
|---|---|
| Age (years) | |
| <65 | 713 (83.6%) |
| ≥65 | 140 (16.4%) |
| Gender | |
| Male | 780 (91.4%) |
| Female | 73 (8.6%) |
| Personal Habits | |
| Alcohol consumption | 583 (68.3%) |
| Betel nut chewing | 699 (81.9%) |
| Cigarettes smoking | 716 (83.9%) |
| Tumor site | |
| Buccal mucosa | 323 (37.9%) |
| Tongue | 310 (36.3%) |
| Others | 220 (25.8%) |
| Overall stage | |
| I | 164 (19.2%) |
| II | 189 (22.2%) |
| III | 129 (15.1%) |
| IV | 371 (43.5%) |
| pT classification | |
| T1 | 194 (22.7%) |
| T2 | 286 (33.5%) |
| T3 | 91 (10.7%) |
| T4 | 282 (33.1%) |
| pN classification | |
| N0 | 547 (64.1%) |
| N1 | 116 (13.6%) |
| N2 | 188 (22.0%) |
| N3 | 2 (0.3%) |
| PNI | 303 (35.6%) |
| ENE | 171 (20.1%) |
| LVI | 64 (7.5%) |
| DOI ≥ 10 mm | 427 (50.1%) |
| Surgical margin | |
| <5 mm | 260 (30.5%) |
| ≥5 mm | 593 (69.5%) |
| Adjuvant therapy | |
| Absent | 366 (42.9%) |
| Radiotherapy | 164 (19.2%) |
| Chemoradiotherapy | 323 (37.9%) |
| Neutrophil (×103 μL−1) § | 5.5 ± 16.5 |
| Platelets (×103 μL−1) § | 258.6 ± 92.0 |
| Monocyte (×103 μL−1) § | 0.5 ± 0.2 |
| Lymphocyte (×103 μL−1) § | 2.0 ± 0.8 |
| PIV § | 410.9 ± 1048.9 |
Abbreviations: PNI, perineural invasion; ENE, extranodal extension; LVI, lymphovascular invasion; DOI, depth of invasion; PIV: pan-immune-inflammation value. § Mean ± SD.