Summary of HPV types 16 and 18 DNA positivity in 115 specimens
| Groups findings | In situ SCC (n = 14) | Invasive SCC (n = 31) | CDK (n = 20) | Corneal scar (n = 31) | Conjunctiva (n = 19) |
|---|---|---|---|---|---|
| Mean age (years) | 66 | 60 | 66 | 43 | 63 |
| Sex: | |||||
| Male | 10 (71%) | 17 (55%) | 14 (70%) | 19 (61%) | 9 (47%) |
| Female | 4 (29%) | 14 (45%) | 6 (30%) | 12 (39%) | 10 (53%) |
| HPV 16 | 0 | 4 (13%) | 1 (5%) | 4 (13%) | 3 (20%) |
| HPV 18 | 4 (29%) | 6 (19%) | 1 (5%) | 6 (19%) | 3 (20%) |
| HPV 16 + 18 | 4 (29%) | 7 (23%) | 2 (10%) | 1 (3%) | 0 |
| Total HPV | 8 (57%) | 17 (55%) | 4 (20%) | 11 (35%) | 6 (32%) |
SCC = squamous cell carcinoma; CDK = climatic droplet keratopathy.