Evidence Quality Assessment of Tai Chi Exercise Intervention in Cognitive Impairment: An Overview of Systematic Review and Meta-Analysis

Table 3

Result of the AMSTAR-2 assessments.

Author, year (country)

Q1

Q2

Q3

Q4

Q5

Q6

Q7

Q8

Q9

Q10

Q11

Q12

Q13

Q14

Q15

Q16

Overall quality

Liu et al., 2021 (China) [27]

Y

PY

Y

Y

Y

Y

N

Y

Y

N

Y

Y

Y

Y

N

Y

VL

Yang et al., 2020 (China) [28]

Y

PY

Y

Y

Y

Y

N

Y

Y

N

Y

Y

Y

Y

N

Y

VL

Gu et al., 2021 (China) [29]

Y

Y

Y

PY

N

Y

N

Y

Y

N

Y

Y

Y

Y

N

Y

VL

Lin et al., 2021 (China) [30]

Y

Y

Y

Y

N

N

N

Y

Y

N

Y

Y

Y

Y

N

Y

VL

Cai et al., 2020 (China) [31]

Y

PY

Y

Y

Y

Y

N

Y

Y

N

Y

Y

Y

Y

Y

Y

VL

Li et al., 2021 (China) [32]

Y

PY

Y

PY

Y

Y

N

Y

Y

N

Y

Y

Y

Y

N

Y

VL

Zhang et al., 2017 (China) [33]

Y

PY

Y

PY

Y

Y

N

Y

Y

N

Y

Y

N

Y

N

Y

VL

Zhang et al., 2020 (China) [34]

Y

PY

Y

Y

Y

Y

N

Y

Y

N

Y

Y

Y

Y

N

N

VL

Note. Y, yes; PY, partial yes; N, no; VL, very low; L, low; key items are marked in red; Item 1, whether the research question and inclusion criteria include PICO elements; Item 2, whether to report systematic review research methods that were determined prior to implementation, and whether to report inconsistencies with the proposal; Item 3, did the authors explain why the systematic review was chosen for inclusion in the type of study design; Item 4, whether the authors used a comprehensive literature search strategy; Item 5, whether the literature screening was completed by 2 people independently; Item 6, whether the data extraction was completed independently by 2 people; Item 7, whether a list of excluded literature and reasons for exclusion is provided; Item 8, whether the authors describe the essential characteristics of the included studies in sufficient detail; Item 9, whether the authors used reasonable tools to assess the risk of bias of the included studies; Item 10, whether the authors reported funding for the studies included in this systematic review; Item 11, if a meta-analysis was performed, whether the authors used appropriate statistical methods to pool the results; Item 12, if meta-analyses were performed, whether the authors considered the potential impact of the included studies’ risk of bias on meta-analyses or other evidence integration; Item 13, whether the authors considered the risk of bias of the included studies when interpreting/discussing the results of the systematic review; Item 14, whether the authors gave a satisfactory explanation or discussion of the heterogeneity in the results of the systematic review; Item 15, if quantitative synthesis was performed, whether the authors adequately investigated publication bias and discussed its possible impact on the findings; Item 16, whether the authors reported any potential conflicts of interest, including any funding received to conduct the systematic review.