| | Positive, n (%) | Negative, n (%) | p-value |
|---|
| Age |
| ≤ 65 years | 8 (50) | 8 (50) | |
| > 65 years | 8 (57) | 6 (43) | 0.834 |
| Gender |
| Female | 13 (52) | 12 (48) | |
| Male | 4 (80) | 1 (20) | 0.513 |
| Karnofsky performance status |
| 90–100% | 8 (80) | 2 (20) | |
| 70–80% | 8 (40) | 12 (60) | 0.023 |
| UICC stage |
| III | 15 (56) | 12 (44) | |
| IV | 1 (33) | 2 (67) | 0.447 |
| T category |
| 1–2 | 4 (67) | 2 (33) | |
| 3–4 | 12 (50) | 12 (50) | 0.073 |
| N category |
| 0–1 | 2 (67) | 1 (33) | |
| 2–3 | 14 (52) | 13 (48) | 0.402 |
| Histology |
| Squamous cell carcinoma | 9 (60) | 6 (40) | |
| Non- Squamous cell carcinoma | 7 (47) | 8 (53) | 0.864 |
| Tobacco consumption (PY) |
| 0 | 5 (63) | 3 (38) | |
| 20–40 | 3 (38) | 5 (63) | |
| > 40 | 8 (57) | 6 (43) | 0.105 |
| Grading |
| Moderately differentiated | 1 (50) | 1 (50) | |
| Poorly differentiated | 14 (54) | 12 (46) | |
| anaplastic | 1 (50) | 1 (50) | 0.223 |
| CD8+ TILs density |
| ≤ 40% | 5 (50) | 5 (50) | |
| > 40% | 10 (59) | 7 (41) | 0.020 |
