Meta-Analysis of Antinuclear Antibodies in the Diagnosis of Antimitochondrial Antibody-Negative Primary Biliary Cholangitis

Figure 2

Quality assessment of diagnostic accuracy studies in the meta-analysis. Patient selection, index test, reference standard, and flow and timing were assessed of qualities. Patient selection, index test, and reference standard were considered in the applicability concerns. All the included studies were of moderate quality with yellow or greenbars. No high risk existed in these studies with no red bars. Abbreviations: High: high risk; Unclear: unclear risk; Low: low risk.