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Joinpoint curves plotted on a logarithmic scale. This scale was used to better display incidence rates for HNC, HPV-related (oropharyngeal) cancer, and larynx cancer because there is a nearly 2 order-of-magnitude difference among disease-specific rates. ASR, age-adjusted incidence rate; HNC, head and neck cancer; HPV, human papillomavirus.
Mourad et al. Head and Neck Cancer Trends in United States. J Oral Maxillofac Surg 2017.
