Skip to Content
Interactive Textbook on Clinical Symptom Research Logo


Home Button

Epidemiological Methods in Studies of Symptoms in Advanced Disease
Author Bios
Why Study Advanced Disease?
Why Epidemiology?
Incidence and Prevalence
Using Incidence and Prevalence
Definition of a Case
Defining Time, Place, Person
Types of Study Design
Cross-Sectional Studies
Longitudinal Studies
Measurement
Bias
Selection Bias
Measurement Bias
Currently selected selection: Presenting and Interpreting Results
Practical Example
Calculating Prevalence
Conclusion

 

Chapter 19: Epidemiological Methods in Studies of Symptoms in Advanced Disease: Presenting and Interpreting Results

        

 


You Answered:

Selection BNo

Correct

We know from other studies that breathlessness has been associated with shortened survival, and that breathlessness becomes more severe as death approaches. So it would not be surprising if those patients who died had more severe breathlessness than the rest of the sample.

Back to Question