| j-th Vaccine- AE | Other combinations |  |
---|---|---|---|
i-th Year | \( {n}_{ij} \) | \( {n}_{i.} \). - \( {n}_{ij} \) | \( {n}_{i.} \). |
Other years | \( {n}_{. j}-{n}_{ij} \) | \( \Big({n}_{..}-{n}_{i.\Big)}-\left({n}_{. j}-{n}_{i j}\right) \) | \( {n}_{..}-{n}_{i.} \) |
 | \( {n}_{. j} \) | \( {n}_{..}-{n}_{. j} \) | \( {n}_{..} \) |