From: Comparison of administration of clopidogrel with aspirin versus aspirin alone in prevention of secondary stroke after transient ischemic attack
Aspirin group
Aspirin + Clopidogrel group
Statistics
TIA
20 (74.1%)
16 (59.3%)
P = 0.248
df = 1
χ2 = 1.3
Minor and isolated visual attacks
7 (25.9%)
11 (40.7%)
Total
27 (100%)