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Table 3 High-risk HPV status after 5 years in a cohort of 576 women - Santiago, Chile

From: High-risk HPV infection after five years in a population-based cohort of Chilean women

Age
in 2001
years
Number
of
women
Prevalence Incidence Persistence
   2001
n (%)
2006
n (%)
n (%) any type type-specific
      n (%) % of cohort n (%) % of cohort
≤ 20 36 5 (13.9) 7 (19.4) 7 (19.4) 0 (0.0) 0.0 0 (0.0) 0.0
21 - 30 84 8 (9.5) 12 (14.3) 12 (14.3) 2 (25.0) 2.4 0 (0.0) 0.0
31 - 40 112 9 (8.0) 9 (8.0)* 7 (6.2) 4 (44.4) 3.6 3 (33.3) 2.7
41 - 50 157 9 (5.7) 21 (13.4) 17 (10.8) 6 (66.7) 3.8 4 (44.4) 2.5
51 - 60 111 12 (10.8) 14 (12.6)* 11 (9.9) 7 (58.3) 6.3 5 (41.7) 4.5
61 - 70 58 5 (8.6) 7 (12.1)* 5 (8.6) 5 (100) 8.6 3 (60.0) 5.2
> 70 18 3 (16.7) 3 (16.7) 0 (0.0) 3 (100) 16.7 3 (100) 16.7
All 576 51 (8.9) 73 (12.7)* 59 (10.2) 27 (52.9) 4.7 18 (35.3) 3.1
  1. Prevalence: women testing positive for one or more high-risk HPV genotypes in a given year.
  2. Incidence: women with one or more newly detected high-risk HPV genotypes in 2006.
  3. Persistence, any type: women testing positive for one or more high-risk HPV genotypes in both 2001 and 2006, regardless of genotype.
  4. Persistence, type-specific: women testing positive for the same high-risk HPV genotype(s) in both 2001 and 2006.
  5. * The number of incident cases plus the number of type-specific persistent cases does not equal the number of prevalent cases because some women have both a persistent high-risk HPV genotype and a newly detected one.