Prevalent patients with histories of myocardial infarctions are enrolled in a casecontrol study of inflammation as measured by C-reactive protein as a risk factor for developing myocardial infarction. Among patients who have had a myocardial infarction, higher Creactive protein is associated with a higher case fatality rate.

A. Overestimation
B. Underestimation
C. No effect
D. Cannot be determined