Tai Chi Chuan Exercise for Patients with Breast Cancer: A Systematic Review and Meta-Analysis

Table 2

Methodological quality of included studies.

Reference	Randomization	Allocation concealment	Blinding	Incomplete outcome data	Selective outcome reporting	Other Sources of bias
Campo et al.,; 2013, USA [14]	Randomized using random permuted blocks	Mention	Yes (statisticians)	Yes	Unclear	Unclear
Janelsins et al.,; 2011, USA [7]	Randomized via mailed letters	Mention	Yes (therapists)	Unclear	Unclear	Unclear
Mustian et al.,; 2004, USA [8]	Flipping of a coin	Mention	Mention	Unclear	Unclear	Unclear
Mustian et al.,; 2006, USA [9]	Flipping of a coin	Mention	Mention	No	Unclear	Unclear
Mustian et al.,; 2008, USA [10]	Flipping of a coin	Mention	Mention	Unclear	Unclear	Unclear
Peppone et al.,; 2010, USA [15]	Randomized using computer-generated random list	Mention	Mention	Unclear	Unclear	Unclear
Rausch,; 2007, USA [16]	Randomized via mailed letters	Opaque, numbered envelopes	Mention	Unclear	Unclear	Unclear
Robins et al.,; 2013, USA [6]	Randomized using computer-generated random list	Mention	Yes (assessor)	Yes	Unclear	Unclear
Sprod et al.,; 2012, USA [4]	Flipping of a coin	Mention	Mention	No	Unclear	Unclear