Table 2. Prevalence of HPV and its genotypes in HNC tissues.
| Parameter | Categories | OC (N = 102) | OPC (N = 36) | HPC (N = 18) | LC (N = 19) | All HNC cases (N = 175) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. | % | 95% CIa | No. | % | 95% CIa | No. | % | 95% CIa | No. | % | 95% CIa | No. | % | 95% CIa | ||
| Any HPVa | 29 | 28.43 | 0.20–0.38 | 15 | 41.67 | 0.26–0.58 | 7 | 38.89 | 0.18–0.64 | 3 | 15.79 | 0.04–0.42 | 54 | 30.86 | 0.24–0.38 | |
| HPV genotype independent | HPV16 | 29 | 28.43 | 0.20–0.38 | 14 | 38.89 | 0.23–0.56 | 7 | 38.89 | 0.18–0.64 | 3 | 15.79 | 0.04–0.42 | 53 | 30.29 | 0.23–0.37 |
| HPV58 | 0 | 0.00 | 0.00 | 1 | 2.78 | 0.003–0.18 | 0 | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 1 | 0.57 | 0.0007–0.04 | |
| HPV genotype co-infection | HPV16 &58 | 9 | 8.82 | 0.04–0.16 | 3 | 8.33 | 0.02–0.23 | 1 | 5.56 | 0.006–0.35 | 1 | 5.26 | 0.006–0.33 | 14 | 8.00 | 0.04–0.13 |
| HPV16 & 58 & 82 | 0 | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 1 | 5.26 | 0.006–0.33 | 1 | 0.57 | 0.0007–0.04 | |
a
HPV: Human papillomavirus; HNC: head and neck cancer; CI: Confidence interval; No.: Number
All samples were negative for HPV6, HPV11, HPV18, HPV26, HPV31, HPV33, HPV35, HPV39, HPV45, HPV51, HPV52, HPV53, HPV56, HPV59, HPV66, HPV68, HPV70 and HPV73