Specifically, they found that 30% of patients saw significant improvement after 6 months of treatment, 53.7% saw moderate beneficial changes, while 15% had a slight or no change. Additionally, the study examined the benefits of cannabis on the quality of life of the participants. The researchers looked at mood, quality of life, and their ability to do activities pertaining to daily living before treatment as well as after 6 months. Before treatment, 31.3% of patients reported good quality of life which doubled to 66.8% after 6 months; they also found that positive mood was experienced by patients at 42% prior to treatment, then it rose to 63.5% after 6 months.