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Worksheet for Using an Article About Prognosis


Worksheet: PDF (printable worksheet) WORD (fill in on-line)

Citation:

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Are the Results of the Study Valid?

1. Was there a representative and well-defined sample of
patients at a similar point in the course of the disease?

arrowInclusion and exclusion criteria?
arrow Selection biases?
arrow Stage of disease?

[ ] Yes [ ] No [ ] Can't Tell


2. Was follow-up sufficiently long and complete?

arrowReasons for incomplete follow-up?
arrow Prognostic factors similar for patients lost- and not lost-to-follow-up?

[ ] Yes [ ] No [ ] Can't Tell


3. Were objective and unbiased outcome criteria used?

arrowOutcomes defined at start of study?
arrowInvestigaotors "blind" to prognostic factors?

 

[ ] Yes [ ] No [ ] Can't Tell


4. Was there adjustment for important prognostic factors?

[ ] Yes [ ] No [ ] Can't Tell


6. Overall, are the results of the study valid?

[ ] Yes [ ] No [ ] Can't Tell


What were the Results?

1. How large is the likelihood of the outcome event(s) in a specified period of time?

arrowSurvival curves?

[ ] Yes [ ] No [ ] Can't Tell


2. How precise are the estimates of likelihood?

arrowConfidence intervals?


Will the Results Help Me in Caring for My Patients?

1. Were the study patients similar to my own?

arrowPatients similar for demographics, severity, co-morbidity, and other prognostic factors?
arrow Compelling reason why the results should not be applied?

[ ] Yes [ ] No [ ] Can't Tell


2. Will the results lead directly to selecting or avoiding therapy?

[ ] Yes [ ] No [ ] Can't Tell


3. Are the results useful for reassuring or counselling patients?

[ ] Yes [ ] No [ ] Can't Tell


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