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Table 2 Prevalence of single and multiple HPV infection by age category for American Indian and White women

From: HPV infection among rural American Indian women and urban white women in South Dakota: an HPV prevalence study

  Infection Status
  None Single HPV Type Multiple HPV Types
American Indiana % (95% CI) % (95% CI) % (95% CI)
Age, years       
   18 - 24 28 (18-40) 31 (21-44) 41 (29-54)
   25 - 34 48 (37-59) 33 (23-45) 19 (12-30)
   35 - 44 69 (56-80) 19 (11-31) 12 (6-23)
   45 - 54 69 (50-83) 14 (5-32) 17 (7-36)
   55 - 65 71 (44-89) 14 (4-43) 14 (4-43)
White b % (95% CI) % (95% CI) % (95% CI)
Age, years       
   18 - 24 75 (57-87) 9 (3-25) 16 (7-33)
   25 - 34 73 (63-82) 16 (9-26) 11 (6-20)
   35 - 44 79 (67-87) 16 (9-26) 6 (2-14)
   45 - 54 77 (62-87) 21 (11-34) 2 (0-15)
   55 - 65 90 (66-97) 11 (3-34) 0 --
  1. Results are unstandardized and presented as prevalence estimates with 95% CIs.
  2. a Any HPV infection non-parametric test for trend p < 0.001
  3. b Any HPV infection non-parametric test for trend p = 0.29