The effectiveness of tai chi in breast cancer patients: A systematic review and meta-analysis

•Tai chi significantly improves overall quality of life at 3 months compared to conventional therapy.•Tai chi+conventional therapy is more effective in improving fatigue at 3 months than conventional therapy alone.•Tai chi+conventional therapy improves quality of life more effectively than conventional therapy alone at 3 and 6 months.•Future research on tai chi needs to better characterize the tai chi intervention.