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

Table 4

Sample size in the clinical study on Baduanjin (n = 764).

Study design	No. of study	Sample size
		Minimum	Maximum	Mean ± standard deviation
RCT	614	16	1973	81.16 ± 86.32
CCS	66	12	1721	109.98 ± 208.67
CS	84	12	500	69.45 ± 68.84

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.