|
Outcome |
||||
|
Event |
No Event |
|||
| Exposure | Treated |
a |
b |
a+b |
| Control |
c |
d |
c+d |
|
|
a+c |
b+d |
|||
Control Event Rate (CER) =
Event rate in control group = c/(c+d)
From Evidence-Based Medicine Glossary: http://www.musc.edu/muscid/glossary.html