How do members experience Basal Joint Arthroplasty and Fusion? Top 5 reported purposes & perceived effectiveness Purpose Patients Evaluations Perceived Effectiveness This item is relevant to you: Pain in left thumb 2 0 0% 0% 0% 0% 0% This item is relevant to you: Pain in right thumb (metacarpal) 1 0 0% 0% 0% 0% 0%