Fig 1.
A flow chart summarizing the study selection process for this meta-analysis.
Table 1.
Characteristics of included studies.
Table 2.
Characteristics of included participants.
Fig 2.
Results of the methodological quality evaluations using the QUADAS-1 tool.
Green indicates that the criterion is satisfied. Yellow means that it is unclear whether the criterion is satisfied or not. Red indicates that the study did not meet the criterion.
Table 3.
Diagnostic accuracy of ultrasound for gout.
Table 4.
Subgroup analyses of diagnostic accuracy of ultrasound for gout.