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The relationship between histological type and human papillomavirus infection
| Histological type | HPV positive (%) | Total | 95% CI % |
|---|---|---|---|
| Keratinizing SCC | 33.8 | 574 | 29.9–37.7 |
| Non-keratinizing | 28.6 | 28 | 11.9–45.3 |
| Basaloid SCC | 85.5 | 69 | 77.2–93.8 |
| Verrucous SCC | 32.0 | 50 | 16.7–44.9 |
| Warty | 50.0 | 44 | 35.2–64.8 |
| Papillary | 16.7 | 24 | 1.8–31.6 |
| Combined types | 28.3 | 53 | 16.2–40.4 |
HPV: human papillomavirus; SCC: squamous cell carcinoma; CI: confidence interval
