Figure 1 | Scientific Reports

Figure 1

From: Epidemiology of human papillomavirus-related oropharyngeal cancer in a classically low-burden region of southern Europe

Figure 1

Time trends of relative risk for HPV positivity in OPC. CI credibility interval; OPC oropharyngeal cancer. Time trends of relative risk for HPV positivity in OPC for each five years period with respect to reference one: 1991–1996. Trends models adjusted by age at diagnosis, gender, period of diagnosis, subsite, stage and tobacco and alcohol consumption. Y axis is represented in logarithmic scale.

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