biostudies-literatureBernstein GANCATS NIH HHS157-162https://www.ebi.ac.uk/biostudies/studies/S-EPMC11040192biostudies-literatureUnknown34(3)<b><i>Objectives:</i></b> Pediatric acute-onset neuropsychiatric syndrome (PANS) is characterized by sudden onset of obsessive-compulsive disorder and/or eating restriction with associated neuropsychiatric symptoms from at least two of seven categories. The PANS 31-Item Symptom Rating Scale (PANS Rating Scale) was developed to identify and measure the severity of PANS symptoms. The objective of this study was to define the psychometric properties of the PANS Rating Scale. <b><i>Methods:</i></b> Children with PANS (<i>N</i> = 135) and their parents participated. Parents completed the PANS Rating Scale and other scales on Research Electronic Data Capture. The PANS Rating Scale includes 31 items that are rated on a Likert scale from 0 = none to 4 = extreme. Pearson's correlations were run betJournal of child and adolescent psychopharmacologyPsychometric Properties of the PANS 31-Item Symptom Rating Scale.PMC11040192UL1 TR002494Bernstein GASilverman MFreese RLFarhadian BAhmed SKhan MHMa MMurphy TKFrankovich JManko CThienemann MfalsePsychometric Properties of the PANS 31-Item Symptom Rating Scale.<b><i>Objectives:</i></b> Pediatric acute-onset neuropsychiatric syndrome (PANS) is characterized by sudden onset of obsessive-compulsive disorder and/or eating restriction with associated neuropsychiatric symptoms from at least two of seven categories. The PANS 31-Item Symptom Rating Scale (PANS Rating Scale) was developed to identify and measure the severity of PANS symptoms. The objective of this study was to define the psychometric properties of the PANS Rating Scale. <b><i>Methods:</i></b> Children with PANS (<i>N</i> = 135) and their parents participated. Parents completed the PANS Rating Scale and other scales on Research Electronic Data Capture. The PANS Rating Scale includes 31 items that are rated on a Likert scale from 0 = none to 4 = extreme. Pearson's correlations were run bet2024-01-01T00:00:00Z2024 Apr2025-07-02T03:04:55.057Z2025-07-02T03:04:55.057ZS-EPMC110401923853600410.1089/cap.2023.0088