Fig. 2From: Role of hydroxyurea therapy in the prevention of organ damage in sickle cell disease: a systematic review and meta-analysisForest plot of a difference in transcranial Doppler flow velocities, b difference in creatinine levels, c risk ratio of microalbuminuria, d difference in tricuspid regurgitant velocities in sickle cell disease patients with or without hydroxyurea treatmentBack to article page