{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T21:37:05Z","timestamp":1792791425551,"version":"4.5.0"},"reference-count":32,"publisher":"Korean Pediatric Society","issue":"8","license":[{"start":{"date-parts":[[2025,3,11]],"date-time":"2025-03-11T00:00:00Z","timestamp":1741651200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["e-cep.org"],"crossmark-restriction":true},"short-container-title":["Clin Exp Pediatr"],"published-print":{"date-parts":[[2025,8,15]]},"abstract":"<jats:p>Background: Functional gastrointestinal disorders (FGIDs) are associated with various gastrointestinal (GI) and non-GI symptoms, risk factors for which commonly include psychosocial and physical stresses.Purpose: This study aimed to compare somatic symptom severity between children with FGIDs and healthy controls during acute illnesses.Methods: This was a prospective descriptive cross-sectional study whose inclusion criterion was age 4\u201318 years. Children were classified into FGID and control groups using the Rome IV diagnostic criteria. Somatic symptom severity was estimated using a visual analogue scale (VAS) and the Children\u2019s Somatic Symptoms Inventory-24 (CSSI-24) questionnaire and compared between groups.Results: Ninety-three children, including 40 with FGIDs (43%), were enrolled. The FGID group had statistically significantly higher VAS scores for abdominal pain than controls (2.93\u00b13.68 vs. 0.72\u00b12.08, P&lt;0.001). However, no significant intergroup differences were noted in VAS scores for nausea (P=0.493) or headache (P=0.311). For somatization symptoms, the CSSI-24 total (20.58\u00b118.32 vs. 7.06\u00b110.49, P&lt;0.001), GI symptom (9.60\u00b17.48 vs. 2.43\u00b13.39, P\u22640.001) and non-GI symptom (10.98\u00b111.67 vs. 4.62\u00b17.88, P&lt; 0.001) scores were significantly higher for the FGID versus control groups, respectively.Conclusion: Children with FGIDs exhibited more significant somatic symptoms than controls during acute illnesses. GI and non-GI manifestations were significantly more common in children with FGIDs.<\/jats:p>","DOI":"10.3345\/cep.2024.01795","type":"journal-article","created":{"date-parts":[[2025,3,11]],"date-time":"2025-03-11T04:01:12Z","timestamp":1741665672000},"page":"587-593","update-policy":"https:\/\/doi.org\/10.3345\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Somatic symptom severity during acute illnesses among children with functional gastrointestinal 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