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Table 2 Risk-of-bias summary for included randomized controlled trials

From: Managing stress and anxiety through qigong exercise in healthy adults: a systematic review and meta-analysis of randomized controlled trials

Studies

Adequate sequence generation

Allocation concealment

Blinding of outcome assessors

Incomplete outcome data

Intention-to-treat analysis

Free of selective reporting

Free of other bias

Johansson et al., 2008[17]

U

U

U

N

Y

N

N

Lee et al., 2004[18]

N

U

U

N

Y

N

N

Chow et al., 2012[19]

U

U

U

Y

N

U

Y

Griffith et al., 2008[20]

Y

U

U

Y

N

Y

U

Hwang et al., 2013[21]

Y

U

U

Y

Y

Y

Y

Liu et al., 2008[22]

U

U

U

U

U

N

N

Manzaneque et al., 2009[23]

U

U

U

Y

N

Y

N

  1. N, not applied (high risk of bias); U, unclear (uncertain risk of bias); Y, yes (low risk of bias).