Vagotomy and Parkinson disease
Bojing Liu; Fang Fang; Nancy L. Pedersen; Annika Tillander; Jonas F. Ludvigsson; Anders Ekbom; Per Svenningsson; Honglei Chen · 2017 · Neurology
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
OBJECTIVE: To examine whether vagotomy decreases the risk of Parkinson disease (PD). METHODS: Using data from nationwide Swedish registers, we conducted a matched-cohort study of 9,430 vagotomized patients (3,445 truncal and 5,978…
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Metadata source: OpenAlex · DOI 10.1212/wnl.0000000000003961