Table 4 Univariate Analysis of 384 Patients with OSCC
Variable | Survival rate (%) | P value (log-rank) | |
|---|---|---|---|
2-year | 5-year | ||
Gender | |||
Male | 43.3 | 22.9 | 0.053 |
Female | 59.2 | 30.1 | |
Age (years) | |||
≤ 55 | 69.7 | 53.7 | 0.001 |
> 55 | 34.0 | 8.8 | |
Tobacco Use | |||
User | 47.7 | 15.8 | 0.091 |
Non-User | 49.6 | 29.8 | |
Alcohol Use | |||
User | 46.6 | 26.3 | 0.460 |
Non-User | 50.7 | 21.0 | |
Tumour Location | |||
Alveolus | 59.3 | 0.0 | 0.255 |
Buccal mucosa | 47.0 | 19.6 | |
Floor of mouth | 34.5 | 0.0 | |
Gingiva | 39.7 | 15.9 | |
Lip | 100.0 | 100.0 | |
Palate | 52.3 | 43.6 | |
Tongue | 53.3 | 21.2 | |
Other | 53.9 | 53.9 | |
Clinical Stage | |||
I | 100.0 | 100.0 | < 0.001 |
II | 69.1 | 61.5 | |
III | 41.7 | 14.5 | |
IV | 35.4 | 0.0 | |
Histo-pathological grade | |||
Well differentiated | 64.9 | 42.2 | < 0.001 |
Moderately differentiated | 50.1 | 21.7 | |
Poorly differentiated | 26.4 | 0.0 | |
Treatment Group | |||
Surgery | 73.8 | 61.5 | 0.103 |
Radiotherapy | 47.5 | 27.6 | |
Chemotherapy | 100.0 | 0.0 | |
At least 2 | 55.3 | 12.3 | |