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Table 2 Qualitative evaluation of included study to assess the risk of bias

From: Lung histopathological findings in COVID-19 disease – a systematic review

Author Country Domains Selection Ascertainment (1) (2) Casuality Reporting
Yao et Al. China Ascertained Unclear Ascertained Ascertained Ascertained Ascertained
Lacy et Al. China Ascertained Unclear Ascertained Ascertained Ascertained Ascertained
Menter et al. Switzerland Ascertained Unclear Ascertained Ascertained Ascertained Ascertained
Barton et Al USA Ascertained Unclear Ascertained Ascertained Ascertained Ascertained
Xu et al. China Ascertained Unclear Ascertained Ascertained Ascertained Ascertained
Karami et Al. Iran Ascertained Unclear Ascertained Ascertained Ascertained Ascertained
Varga et al. Switzerland Ascertained Unclear Unclear Ascertained Unclear Ascertained
Magro et al. USA Ascertained Ascertained Ascertained Ascertained Ascertained Ascertained
Pernazza et al. Italy Ascertained Ascertained Ascertained Ascertained Unclear Ascertained
Ackermann et al. Belgium Ascertained Ascertained Unclear Ascertained Ascertained Ascertained
Harkin et al. USA Unclear Unclear Ascertained Ascertained Ascertained Ascertained
Fox et al. USA Ascertained Ascertained Ascertained Ascertained Ascertained Ascertained
Tian et al. China Ascertained Ascertained Ascertained Ascertained Unclear Ascertained
Tian et al. China Ascertained Unclear Ascertained Ascertained Unclear Ascertained
Shao et al. China Ascertained Unclear Ascertained Ascertained Ascertained Ascertained
Buja et al. USA Ascertained Unclear Ascertained Ascertained Ascertained Ascertained
Li et al. China Ascertained Ascertained Ascertained Ascertained Ascertained Ascertained
Yan et al. USA Ascertained Unclear Ascertained Ascertained Ascertained Ascertained
Adachi et al. Japan Ascertained Unclear Ascertained Ascertained Ascertained Ascertained
Schaller et al. Germany Ascertained Ascertained Ascertained Ascertained Ascertained Unclear
Martines et al. USA Ascertained Unclear Ascertained Ascertained Ascertained Ascertained
Lax et al. Austrai Ascertained Ascertained Ascertained Ascertained Ascertained Ascertained
Cai et al. China Ascertained Unclear Ascertained Ascertained Ascertained Ascertained
Sekulic et al. USA Ascertained Unclear Ascertained Ascertained Ascertained Ascertained
Aguiar et al. Switzerland Ascertained Unclear Ascertained Ascertained Ascertained Ascertained
Konopka et al. USA Ascertained Unclear Unclear Ascertained Ascertained Ascertained
Zeng et al. China Ascertained Unclear Ascertained Ascertained Ascertained Ascertained