Table 1.
Bivariate analysis between the clinicopathologic covariates and the mean values of MSH2 immunohistochemical expression in the head and neck squamous cell carcinoma samples
| DNA Repair Proteins Immunoexpression | ||
| Covariates | MSH2 | |
| Anatomical Site | Mean±SD | p |
| Anterior (n=20) | 80.77±22.10 | 0.523 |
| Posterior (n=35) | 81.92 ± 21.49 | |
| Recurrence | ||
| Absent (n=38) | 81.15±20.17 | 0.449 |
| Present (n=17) | 82.28±24.90 | |
| Tumor Size | ||
| Small (n=8) | 89.85±8.25 | 0.317 |
| Large (n=47) | 80.08±22.78 | |
| Locorregional Metastasis | ||
| Absent (n=24) | 79.90±26.56 | 0.946 |
| Present (n=31) | 82.74±16.99 | |
| WHO Grading | ||
| Well/Moderate differentiated (n=39) | 85.21±14.61 | 0.339 |
| Poorly differentiated (n=16) | 72.45±31.66 | |
| IFG | ||
| 4-8 (n=6) | 87.95±16.12 | 0.509 |
| 9-12 (n=22) | 77.85±25.36 | |
| 13-16 (n=27) | 83.04±19.20 | |