Grad 4 hypertension (hypertensiv krise) sås hos 1, 0% af patienterne, som fik Avastin, i forhold til op til 0, 2% af patienterne, som fik kemoterapi alene.
Grade 4 hypertension (hypertensive crisis) occurred in up to 1.0% of patients treated with Avastin and chemotherapy compared to up to 0.2% of patients treated with the same chemotherapy alone.