Ask
4. How to construct a good EBVM question?
4.4. O – Outcome by which 'I' will be compared with 'C'
4.4 O – Outcome by which 'I' will be compared with 'C'
Choosing a specific desired outcome is a key part of formulating an evidence-based question about a patient.
This ensures you will Acquire, Appraise and Apply evidence pertaining to the specific outcome of interest for you and your individual patient.
Table 4: Examples of questions and outcomes
| QUESTION | OUTCOME |
|---|---|
|
Which diet is best to feed cats with chronic renal disease? |
Survival time |
|
Which diagnostic test is most reliable for diagnosing fascioliasis in lactating dairy cattle? |
Predictive values |
|
Does sex affect survival in flat-coat retrievers with cutaneous lymphoma? |
Average life expectancy |
|
Are the risks of inhalational induction of general anaesthesia higher compared to injectable induction ferrets under different protocols? |
Mortality rate |
|
Are cardiac disorders in Welsh Section A mountain ponies more prevalent than other breeds? |
Prevalence of cardiac disorders |