Table 3: The impact of HPV infection status on the prognosis of patient receiving radiotherapy or nonradiotherapy.

Cases3-year survival rate5-year survival rate
RadiotherapyNonradiotherapyRadiotherapyNonradiotherapy

HPV-positive ()100%64.3%66.7%0%6.0610.014
HPV-negative ()77.0%59.5%13.8%59.5%0.0380.846

Among 18 cases of HPV-positive patients, 10 patients received radiotherapy, 8 patients did not receive radiotherapy. Among 45 cases of HPV-negative patients, 24 patients received radiotherapy and 21 patients did not receive radiotherapy.