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Table. 1.

Table. 1.

Contingency table for the case-non-case analysis and calculation of the reporting odds ratio

AEFI of interest “Cases” Other AEFIs “Non-cases”
Vaccine of interest (HPV vaccine) a b
Other vaccines c d
ROR=(a/b)/(c/d)=ad/bc 95% CI of the ROR=ROR×e±1.961a+1b+1c+1d

AEFI, adverse event following immunization; HPV, human papillomavirus; ROR, reporting odds ratio; CI, confidence interval;

Korean J Clin Pharm 2020;30:19-30 https://doi.org/10.24304/kjcp.2020.30.1.19
© 2020 Korean J Clin Pharm