Fig. 1From: The dogma of aspirin: a critical review of evidence on the best monotherapy after dual antiplatelet therapyRisk of stroke during different phases (first 21 days, from 22nd to 60th day, from 61st to 90th day) of the CHANCE study [10, 11] follow-up period. Overall benefit in favour of aspirin-clopidogrel: hazard ratio, 0.68 (95 % CI, 0.57–0.81) P < 0.001Back to article page