Table 1 Prevalence of high-risk human papillomavirus antibodies among women from Santiago, Chile, at baseline in 2001 and follow-up in 2006

Any HR-HPV^a

442

43.3 (40.2-46.4)

301

50.2 (46.1-54.2)

16

189

18.5 (16.2-21.0)

118

19.7 (16.5-22.9)

18

148

14.5 (12.4-16.8)

110

18.3 (15.2-21.4)

31

92

9.0 (7.3-10.9)

59

9.8 (7.4-12.2)

33

46

4.5 (3.3-6.0)

31

5.2 (3.4-6.9)

35

160

15.7 (13.5-18.0)

109

18.2 (15.1-21.3)

45

142

13.9 (11.8-16.2)

92

15.3 (12.5-18.3)

52

70

6.9 (5.4-8.6)

43

7.2 (5.1-9.2)

58

63

6.2 (4.8-7.8)

44

7.3 (5.2-9.4)

Single type

244

23.9 (21.3-26.5)

149

24.8 (21.4-29.3)

Multiple types

198

19.4 (17.0-21.8)

152

25.3 (21.8-28.8)