Research Article

Coinfection of High-Risk Human Papillomavirus and Lower Genital Tract Pathogens in the Development of High-Grade Cervical Lesions

Figure 1

Flow chart of the patients included. ≤LSIL: normal or low-grade squamous intraepithelial lesion; ≥HSIL: high-grade squamous intraepithelial lesion or cervical squamous cell carcinoma; HPV: human papillomavirus; HR-HPV: high-risk human papillomavirus; LR-HPV: low-risk human papillomavirus; PB: pathogenic bacteria; UU: U. urealyticum; MH: M. hominis; CT: C. trachomatis.