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Table 3 Relative risk of developing CIN2+ and CIN3+ lesions among vaccinated women as compared to the unvaccinated women

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

  CIN2+ CIN3+
RR(95%CI) P-value RR(95%CI) P-value
Aged 20–29
 Unvaccinated 1.00 Reference   1.00 Reference  
 Vaccinated 0.33 (0.15, 0.73) 0.006 0.09 (0.00, 0.41) 0.002
 Age 1.04 (0.98, 1.10) 0.233 1.06 (0.00, 1.17) 0.246
Aged 20–29 (no overlapping)
 Unvaccinated 1.00 Reference   1.00 Reference  
 Vaccinated 0.24 (0.10, 0.60) 0.003 0.09 (0.00, 0.42) 0.002
 Age 1.03 (0.97, 1.09) 0.360 1.06 (0.96, 1.17) 0.246
Aged 20–22
 Unvaccinated 1.00 Reference     
 Vaccinated 0.23 (0.06, 0.81) 0.023    
 Age 0.95 (0.51, 1.76) 0.869    
Aged 20–22(no overlapping)
 Unvaccinated 1.00 Reference     
 Vaccinated 0.16 (0.03, 0.72) 0.017    
 Age 0.89 (0.47, 1.68) 0.709