FCEM-0099

FCEM-0099

An analytical study is conducted to compare the risk of stroke between Ticagrelor therapy and Warfarin therapy among patients with atrial fibrillation. The following is obtained from the study:

No. of patients who took Ticagrelor: 300
No. of patients who took Ticagrelor and suffered a stroke: 30

No. of patients who took Warfarin: 500
No. of patients who took Warfarin and suffered a stroke: 20

Compute for the risk ratio of a stroke.