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Table 4 Quality assessment sorted by study population and quality score

From: Physical and psychosocial benefits of yoga in cancer patients and survivors, a systematic review and meta-analysis of randomized controlled trials

First author, year

1

2

3

4a

5

6

7

8

9

score

%

Banasik, 2011 [56]

Y

Y

Y

Y

SR

Y C

N

N

N

5

63%

Banerjee, 2007 [51]

Y

Y C

Y

Y

Y

Y C

Y C

N

N

7

78%

Blank, 2003 [31]

Y

?

?

Y

N

?

N

N

N

2

22%

Bower, 2012 [58]

Y

Y

Y

Y

Y

?

Y

Y

Y

8

89%

Carson, 2009 [32]

Y

Y

Y

Y

Y

N C

N

N

Y

6

67%

Chandwani, 2010 [55]

Y

Y C

Y

Y

SR

Y C

N

N, ES no CI

Y

6

75%

Cohen, 2004 [44]

Y

Y

Y

Y

NC (SR)

N C

N

N, only 95% CI

N

4

50%

Culos-Reed, 2006 [52]

Y

Y

Y

Y

Y C

Y C

N

N

Y

7

78%

Danhauer, 2009 [53]

Y

Y

Y

Y

NC

N C

N

N

Y

5

56%

Littman, 2011 [57]

Y

Y C

Y

Y

Y C

Y d

N

Y

N

7

78%

Moadel, 2007 [54]

Y

Y C

Y b

Y

NC

N C

N

Y

Y

6

67%

Raghavendra, 2007 [49]

Y

Y

Y

Y

SR

N

N

N

N

4

50%

Rao, 2009 [50]

Y

Y

Y

Y

SR

N

N

Y

Y

6

67%

Vadiraja, 2009a [46]

Y

Y

Y

Y

?

?

N

N, ES no CI

N

4

50%

Vadiraja, 2009b [47]

Y

Y

Y

Y

SR

?

N

Y

Y

6

75%

Vadiraja, 2009c [48]

Y

Y

Y

Y

SR

?

N

N, ES no CI

Y

5

56%

  1. NA not applicable, Y yes, N no, ? unclear, a If only exclusion criteria were reported, this was rated as ‘unclear’; b In the analyses, the baseline differences were included as covariates. C after contacting authors; d Yoga instructors were aware that the study aim was to determine the feasibility of conducting a yoga intervention in overweight and obese breast cancer survivors (not efficacy). SR self report, CI Confidence interval, ES effect size.