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. 2020 Jul 1;10:10762. doi: 10.1038/s41598-020-67668-1

Table 3.

Two-by-two contingency table for disproportionality analysis.

Reports with the target AE All other AEs Total
Reports with the target vaccine a b a + b
All other vaccines c d c + d
Total a + c b + d a + b + c + d