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Table 1 Information on vaccination status, CIN2+ and CIN3+, among women aged 20–29 years (with overlapping)

From: Effectiveness of HPV vaccination against the development of high-grade cervical lesions in young Japanese women

Age at screening (year) Vaccine(−) Vaccine(+) CIN2+ CIN3+
Vaccine(−) Vaccine(+) Vaccine(−) Vaccine(+)
n n % n n n n
20 522 878 62.7 4 1 1 0
21 1860 1496 44.6 6 1 3 0
22 1569 489 23.8 8 1 2 0
23 2517 217 7.9 17 1 8 0
24 2985 214 6.7 11 1 4 0
25 3035 149 4.7 17 0 6 0
26 5367 189 3.4 34 1 14 0
27 3849 128 3.2 20 0 7 0
28 6820 184 2.6 50 0 22 0
29 4698 139 2.9 21 1 11 0
Total 33,222 4083 10.9 188 7 78 0