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Figure 4: Percentage of participants identified as “positive” and “negative,” respectively, using different diagnostic methods, including ECochG method, AAO-HNS CHE criteria with only “definite” being classified as “positive” (AAO-1), AAO-HNS CHE criteria with both “definite” and “probable” being classified as “positive” (AAO-2), and Gibson score with 7 as the cutoff point.