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. 2024 Aug 15;10:155. doi: 10.1038/s41531-024-00766-3

Table 3.

Diagnostic accuracy of AS accumulation in the gastrointestinal tract for Parkinson’s disease

Region Full layer evaluation (%) Mucosal/submucosal evaluation (%)
Accuracy Sensitivity Specificity Accuracy Sensitivity Specificity
Entire GI tract 83.3 75.3 91.5 70.5 46.9 94.7
UGI (stomach + esophagus) 84.3 83.6 84.9 77.6 64.8 90.6
LGI (colon + rectum) 81.9 64.3 100 61.5 23.8 100

AS alpha-synuclein, UGI upper gastrointestinal tract, LGI lower gastrointestinal tract.