Emerging Infectious Disease ISSN: 1080-6059

Oropharyngeal Cancer Epidemic and Human Papillomavirus

Torbjörn Ramqvist and Tina Dalianis

Author affiliations: Karolinska Institutet, Stockholm, Sweden (T. Ramqvist, T. Dalianis); Swedish Institute for Infectious Disease Control, Solna, Sweden (T. Dalianis)

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Figure 1

Survival rates for patients with human papillomavirus (HPV)–positive tonsillar cancer compared with those for patients with HPV-negative cancer. Circles indicate patients who died of tonsillar cancer during the follow-up period; plus signs indicate patients who were removed from the study for other reasons (e.g., died from a cause other than tonsillar cancer, left the country); p<0.0005. Data from Lindquist et al. (13), with permission of Elsevier (www.elsevier.com).

Figure 1. Survival rates for patients with human papillomavirus (HPV)–positive tonsillar cancer compared with those for patients with HPV-negative cancer. Circles indicate patients who died of tonsillar cancer during the follow-up period; plus signs indicate patients who were removed from the study for other reasons (e.g., died from a cause other than tonsillar cancer, left the country); p<0.0005. Data from Lindquist et al. (13), with permission of Elsevier (www.elsevier.com).

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