Figure 3From: Oncogenic human papillomavirus-associated nasopharyngeal carcinoma: an observational study of correlation with ethnicity, histological subtype and outcome in a UK populationKaplan-Meier plot for overall survival of NPC by viral status (EBV-/HPV-, EBV+/HPV- and EBV-/HPV+). There was no statistically significant difference in the overall survival between these groups (p=0.57, Log Rank).Back to article page