Table 1 The 2×2 contingency table used for the identification of ADRs
| Â | Suspected ADR | All other ADRs | Total |
|---|---|---|---|
Suspected drug | a | b | a + b |
All other drugs | c | d | c + d |
Total | a + c | b + d | a + b + c + d |
| Â | Suspected ADR | All other ADRs | Total |
|---|---|---|---|
Suspected drug | a | b | a + b |
All other drugs | c | d | c + d |
Total | a + c | b + d | a + b + c + d |