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Table 3 Odds ratio (OR) and risk ratio (RR) of secondary TIA in each group

From: Comparison of administration of clopidogrel with aspirin versus aspirin alone in prevention of secondary stroke after transient ischemic attack

Drugs Occurrence of secondary TIA
Number (%) OR (95% CI) RR (95% CI)
Aspirin 10 (37.1%) 2.6 (0.8–9) 1.7 (0.8–3.6)
Aspirin + Clopidogrel 5 (18.5%) 1 1