Table 1 The 2 × 2 contingency table used for the identification of ADRs
From: Privacy preserving data anonymization of spontaneous ADE reporting system dataset
Suspected ADR | Without the suspected ADR | Total | |
|---|---|---|---|
Suspected drug | a | b | a + b |
Other drugs | c | d | c + d |
Total | a + c | b + d | N = a + b + c + d |