Research Article

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

Figure 6

Funnel plot of included studies of anti-gp210 (a) and anti-sp100 (b). Deeks’ test to detect funnel plot asymmetry in reviews of diagnostic studies was used to investigate publication bias. The almost vertical regression lines in the diagnostic odds ratios indicated there was no publication bias.
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(b)