Table 1. Distribution of the OSCC cases according to demographic, lifestyle, and clinical variables.
| Variable | Category | Fresh samples n (%) | Paraffin-embedded samples n (%) | |
|---|---|---|---|---|
| Non-metastatic | Metastatic | |||
| Age | < 50 year | 5 (50) | 2 (20) | 8 (15.4) |
| ≥ 50 year | 5 (50) | 8 (80) | 44 (84.6) | |
| Gender | Male | 7 (70) | 10 (100) | 31 (59.6) |
| Female | 3 (30) | 0 | 21 (40.4) | |
| Smoking habit | No | 4 (40) | 2 (20) | 23 (44.2) |
| Yes | 6 (60) | 8 (80) | 29 (55.8) | |
| Alcohol consumption | No | 3 (30) | 1 (10) | 15 (28.8) |
| Yes | 7 (70) | 9 (90) | 37 (71.2) | |
| Clinical stage | T1 + T2 | 9 (90) | 4 (40) | 32 (61.5) |
| T3 + T4 | 1 (10) | 6 (60) | 20 (38.5) | |
| Lymph nodes | N0 | 9 (90) | 3 (30) | 40 (76.9) |
| N+ | 1 (10) | 7 (70) | 12 (23.1) | |
| Recurrence or metastasis | No | 10 (100) | 0 | 40 (76.9) |
| Yes | 0 | 10 (100) | 12 (23.1) | |
| Status | Alive | 10 (100) | 6 (60) | 45 (86.5) |
| Died | 0 | 4 (40) | 7 (13.5) | |