Table 1 Characteristics of the patients
Variables (n = 102) | Group | n (%) |
|---|---|---|
Age (mean ± SD) |  | 65.6 ± 9.8 |
Sex | Male | 73 (71.6%) |
| Â | Female | 29 (28.4%) |
Smoking status | Smoker | 60 (58.8%) |
| Â | Never-smoker | 42 (41.2%) |
Alcohol | Nondrinker | 43 (42.2%) |
| Â | Drinker | 59 (57.8%) |
BMI (mean ± SD) |  | 22.78 ± 3.87 |
Tumor site | Maxilla | 12 (11.8%) |
| Â | Buccal | 11 (10.8%) |
| Â | Mandible | 17 (16.7%) |
| Â | Floor of mouth | 9 (8.8%) |
| Â | Tongue | 53 (52.0%) |
T | 1 | 30 (29.4%) |
| Â | 2 | 53 (52.0%) |
| Â | 3 | 12 (11.8%) |
| Â | 4 | 7 (6.9%) |
N | 0 | 75 (73.5%) |
| Â | 1 | 22 (21.6%) |
| Â | 2 | 5 (4.9%) |
Stage | 1 | 28 (27.5%) |
| Â | 2 | 34 (33.3%) |
| Â | 3 | 27 (26.5%) |
| Â | 4 | 13 (12.7%) |
Tumor differentiation | Well | 52 (51.0%) |
| Â | Moderately | 41 (40.2%) |
| Â | Poorly | 9(8.8%) |
Lymphovascular invasion | No | 70 (68.6%) |
| Â | Yes | 32 (31.4%) |
Vascular invasion | No | 97 (95.1%) |
| Â | Yes | 5 (4.9%) |
Perineural invasion | No | 92 (90.2%) |
| Â | Yes | 10 (9.8%) |
Close margin (< 5 mm by histopathology) | No | 95 (93.1%) |
| Â | Yes | 7 (6.9%) |
Postoperative treatment | No | 76 (74.5%) |
| Â | Yes | 26 (25.5%) |
Neutrophil (mean ± SD) |  | 58.89 ± 9.15 |
Total lymphocytes (mean ± SD) |  | 1857.48 ± 711.19 |
Alb (mean ± SD) |  | 4.03 ± 0.24 |
CRP (mean ± SD) |  | 0.35 ± 0.58 |
PNI (mean ± SD) |  | 44.01 ± 2.14 |