Table 1.
Distribution of patients with respect to staining intensity
| Grade | Staining intensity | Total | P | ||
|---|---|---|---|---|---|
| 0 | 1+ | 2+ | |||
| Squamous cell carcinoma | 0 | 4 | 8 | 12 | |
| Dysplasia | 7 | 5 | 0 | 12 | <0.001 |
| Normal | 12 | 0 | 0 | 12 | |
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