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Volume 11, Number 11—November 2005

Research

Cervical Human Papillomavirus Screening among Older Women

Matthew J. Grainge*, Rashmi Seth*, Li Guo*, Keith R. Neal*, Carol Coupland*, Paul Vryenhoef†, Jane Johnson†, and David Jenkins*
Author affiliations: *University of Nottingham Medical School, Nottingham, United Kingdom; †Nottingham City Hospital, Nottingham, United Kingdom

Main Article

Table 3

Numbers of women infected with human papillomavirus (HPV) 16 and 18 at baseline and follow-up and HPV16 and HPV18 acquisition and clearance rates by age

Age (y, baseline) HPV status – (1988)
HPV status + (1988)
% HPV acquisition in 3 y (95% CI) % HPV clearance in 3 y (95% CI)*
– (1991) + (1991) – (1991) + (1991)
HPV16
21 79 3 3 1 3.7 (1.3–10.2)
31 94 3 1 0 3.1 (1.1–8.7)
41 94 3 3 0 3.1 (1.1–8.7)
51 360 11 1 0 3.0 (1.7–5.2)
Total 627 20 8 1 3.1 (2.0–4.7) 88.9 (56.5–98.0)
HPV18
21 77 2 6 1 2.5 (0.7–8.8)
31 89 5 3 1 5.3 (2.3–11.9)
41 95 3 2 0 3.1 (1.0–8.6)
51 352 14 5 0 3.8 (2.3–6.3)
Total 613 24 16 2 3.8 (2.5–5.5) 88.9 (67.1–96.9)

*Clearance rates of HPV 16/18 were not calculated for individual ages because of insufficient numbers; CI, confidence interval.

Main Article

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