Fig. 1From: Safety and efficacy of intravenous thrombolysis in stroke patients on prior antiplatelet therapy in the WAKE-UP trialEffect of alteplase on hemorrhagic transformation. Forest plots demonstrate a significant higher chance of developing any sign of hemorrhagic transformation during follow-up for patients treated with alteplase in both patients with prior APT and without. There was no significant interaction in the corresponding unconditional logistic regression modelBack to article page