Table 4.

Summary of the population in the five external controls and treatment group

Study	n	Gender	Ethnicity	High/low riska	Incident/prevalentb
Liu et al9	123	Men	Chinese	High	Incident
Moscicki et al19	68	Women	Caucasian, African American, Hispanic, Asian, others	Low	Prevalent
Munoz et al20	197	Women	Colombian	Low	Incident
Rosa et al21	144	Women	Brazilian	High and low	Prevalent
Franco et al5	95	Women	Brazilian	Low	Incident
Current study	59	Men and women	Caucasian, African American, Hispanic, others	High and low	Prevalent

Notes:

^aWe chose the fastest time to clearance in the study.

^bAn incident HPV infection means HPV negative at baseline.22 A prevalent HPV infection means HPV positive at baseline.

Abbreviation: HPV, human papillomavirus.