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Table 1 Seroprevalence of HPV16 and 18 in women with CIN 2/3 and women with normal cytology, by age group

From: Human papillomavirus 16/18 seroprevalence in unvaccinated women over 30 years with normal cytology and with high grade cervical abnormalities in Australia: results from an observational study

Age, years CIN2/3 (N o) Normal cytology (N o) HPV16 seroprevalence % (95% CI) HPV18 seroprevalence % (95% CI) HPV16 or 18 seroprevalence % (95% CI)
CIN 2/3 Normal cyto a CIN 2/3 Normal cyto a CIN 2/3 Normal cyto a
all 971 3729       
30-39 348 708 50.6 (45.2-55.9) 28.1 (24.8-31.6) 14.4 (10.9-18.5) 10.6 (8.4-13.1) 55.2 (49.8-60.5) 32.6 (29.2-36.2)
40-49 230 517 35.2 (29.0-41.8) 23.6 (20.0-27.5) 13.9 (9.7-19.1) 7.7 (5.6-10.4) 42.6 (36.1-49.3) 27.7 (23.8-31.7)
50-59 300 1945 31.7 (26.4-37.3) 17.4 (8.8-14.2) 11.7 (8.3-15.8) 6.7 (5.6-7.9) 36.3 (42.1-60.9) 21.8 (20.0-23.7)
60-64 93 559 23.7 (15.5-33.6) 11.3 (8.8-14.2) 6.5 (2.4-13.5) 3.8 (2.3-5.7) 28.0 (19.1-38.2) 13.6 (10.9-16.7)
  1. aCyto: cytology.