Diagnosis Commons^™

An Updated Patient-Centered Sialadenitis Instrument: The Obstructive Salivary Problem Impact Test (Spit), Arushi Gulati, David M. Cognetti, David S. Cohen, M. Allison Ogden, Barry M. Schaitkin, Rohan R. Walvekar, William R. Ryan, Jolie L. Chang

School of Medicine Faculty Publications

Objective: The Chronic Obstructive Sialadenitis Symptoms questionnaire (COSS) was created to assess chronic sialadenitis symptoms and treatment response, but its development lacked patient input and validation. We analyzed COSS responses and feedback from sialadenitis patients and physician experts to create the novel obstructive Salivary Problem Impact Test (SPIT), a new standardized measure of sialadenitis-associated symptoms. Methods: We analyzed COSS responses via exploratory factor analysis (EFA) to identify essential symptom domains and reduce overlap in questions. Sialadenitis patients evaluated the significance of index symptoms identified from the literature review. Expert physicians rated symptom relevance in clinical assessment. An updated questionnaire (SPIT) …