Characteristic of Clinical Studies on Baduanjin during 2000–2019: A Comprehensive Review

Figure 2

Study designs over time in the numbers of published clinical studies on Baduanjin. Abbreviations: SR, systematic review; RCT, randomized clinical trial; CCS, nonrandomized controlled clinical studies (quasirandomized clinical trial or observational studies such as cohort or case-control studies); CS, case series; CR, case report.