Fig. 2

Kaplan-Meier survival and number at risk a OP HPV-associated: p = 0.638, b OP HPV negative: p = 0.035, c OC HPV-associated: p = 0.049, d OC HPV negative: p < 0.001

Kaplan-Meier survival and number at risk a OP HPV-associated: p = 0.638, b OP HPV negative: p = 0.035, c OC HPV-associated: p = 0.049, d OC HPV negative: p < 0.001