Review Article

Quality of Reporting of Randomized Clinical Trials in Tai Chi Interventions—A Systematic Review

Table 2

Assessment of adequate details of Tai Chi interventions, using a mini-checklist adapted from previous reviews, for studies published between 2002 and 2007.

Reporting criterionNumbera (%)

(1) How long was the intervention (weeks)?31 (100)
(2) Was the Tai Chi training center-based or home-based or both?28 (90)
(3) If it is center-based, how often was the Tai Chi training class per week and how long did a Tai Chi training class last (minutes)?28 (90)
(4) What did a Tai Chi training session consist of in the study? Were there any other non-Tai Chi exercises included in a Tai Chi training session?2 (6)
(5) What style of Tai Chi (Yang, Chen, Sun, etc.) was used in the intervention described?23 (74)
(6) What were the major components (i.e. slow movements, mental concentration and deep breathing) of Tai Chi that were emphasized in the training?17 (55)
(7)bWere specific Tai Chi movements used in the training described and illustrated?6 (19)
(8) What were the credentials of the Tai Chi instructors in the study?12 (39)
(9) Was the evaluation of the Tai Chi training and/or the instructor by study subjects available?2 (6)
(10) Was the description of the control comparable to the description of the Tai Chi training?26 (84)

aNumber of studies that satisfied reporting criterion.
bIf well-established Tai Chi forms (i.e., the 24-forms of simplified Yang style Tai Chi [13] and the 10 forms described by Wolf et al. [14] are taught and proper references are provided, item 7 is considered satisfied.