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. 2018 Oct 29;13:3571–3586. doi: 10.2147/COPD.S172239

Table 4.

Quality assessment of Jones et al37 against the AMSTAR (A MeaSurement Tool to Assess systematic Reviews) measurement tool”

Was an “a priori” design provided? Yes
Was there duplicate study selection and data extraction? Yes
Was a comprehensive literature search performed? Yes
Was the status of publication (ie, gray literature) used as an inclusion criterion? Yes
Was a list of studies (included and excluded) provided? Yes
Were the characteristics of the included studies provided? Yes
Was the scientific quality of the included studies assessed and documented? Yes
Was the scientific quality of the included studies used appropriately in formulating conclusions? Yes
Were the methods used to combine the findings of studies appropriate? N/a
Was the likelihood of publication bias assessed? Yes
Was the conflict of interest stated? Yes