Fig. 3From: Association of TLR4 and TLR9 gene polymorphisms with cervical HR-HPV infection status in Chinese Han populationKaplan–Meier curve for time to HR-HPV clearance in patients with different TLR9 SNPs genotypes (A: rs187084; B: rs352140). The differences were determined by the log-rank test. The number of patients at risk were listed below each curveBack to article page