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Table 2 Case studies A and B: comparison of AMSTAR (Assessment of Multiple Systematic Reviews) tool domain ratings in the identified systematic reviews

From: Use of existing systematic reviews for evidence assessments in infectious disease prevention: a comparative case study

AMSTAR domainsa Alshaik et al. [8] Galvao et al. [14] Jefferson et al. [15] Fell et al. [13] McMillan et al. [16]
Was an “a priori” design provided? Yes Yes Yes Yes Yes
Was there duplicate study selection and data extraction? Yes Yes Yes Yes Yes
Was a comprehensive literature search performed? Yes Yes Yes Yes Yes
Was the status of publication used as an inclusion criterion? Yes Yes Yes No No
Was a list of studies (include and excluded) provided? No Yes Yes Yes Yes
Were the characteristics of the included studies provided? Yes Yes Yes Yes Yes
Was the scientific quality of the included studies assessed and documented? No Yes Yes Yes Yes
Was the scientific quality of the included studies used appropriately in formulating conclusions? No Yes Yes Yes Yes
Were the methods used to combine the findings of studies appropriate? Yes Yes Yes Yes Yes
Was the likelihood of publication bias assessed? Yes Yes Yes Yes No
Was the conflict of interest included? No No Yes No Yes
Summary scoreb 7 10 11 9 9
  1. aAccording to Shea et al. [9]
  2. bMaximum score: 11 (yes = 1 point)