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Table 3 Type-specific persistence of HPV infections

From: The incidence, clearance and persistence of non-cervical human papillomavirus infections: a systematic review of the literature

      % (95 % CI) persistent at end of time frame
Site Reference Population, age (years) Infection type Time-frame (months) Any HPV HR 16 18
Penile Wikström; Sweden [21] MSW, 18–54 Prevalent/
Incident
3.5 50 (23–77) 57 (18–90) 75 (19–99) 0 (0–98)
  Grabowski; Uganda [24] HIV- men, 15–49
HIV+ men, 15–49
Prevalent
Prevalent
6
12
24
6
12
24
  31 (27–37)
25 (20–30)
12 (9–16)
43 (37–48)
28 (23–34)
29 (25–34)
  
Anal Nyitray; Brazil, Mexico, USA [35] MSM, 18–70
MSW, 18–70
Prevalent
Prevalent
6
6
59 (48–70)
32 (24–41)
51 (36–66)
24 (14–37)
73 (39–94)
0 (0–16)
38 (9–76)
0 (0–84)
Male Genital Lajous; Mexico [27] Male soldiers, 16–40 Prevalent 12 29.4 (21.6–38.2) 31.0 (22.1–41.0) 31.3 (11.0–58.7) 0 (0–33.6)
Oral Pickard; USA [49] Male/female students, 18–30 Prevalent 3 38 (19–59) 42 (15–72) 0 (0–98)  
  Kurose; Japan [52] Male/female volunteers, 3–85 Prevalent 30 50 (9–93) 0 (0–98) 0 (0–98) -
  1. Abbreviations: MSM men who have sex with men, MSW men who have sex with women