 According to existing research, only 6 of consents and participant information sheets are written below an eighth grade level of comprehension; 54 of participants with an 8th grade level education partially understood the consent with figures rising to 72 for participants with greater than 8th grade educations, however no participant fully understood the consent materials. The deficits ranged from misunderstandings about risk, side effects, adverse effects reporting, a participants right to withdraw, confidentiality and even the purpose of the trial. 