Seasonal Variation in the Presentation of Abdominal Pain

M. Saps*, C. Blank, S. Khan, R. Seshadri, B. Marshall, L. Bass, C. Di Lorenzo

*Corresponding author for this work

Research output: Contribution to journalArticle

28 Scopus citations

Abstract

Anxiety and depression, conditions frequently associated with childhood chronic abdominal pain (AP), are characterized by seasonal exacerbations. A seasonal pattern characterized by a higher frequency of consultations for AP during winter has been suspected but has never, to our knowledge, been demonstrated. We hypothesize the presence of a seasonal variation in AP consultations with a winter predominance. To determine the seasonal distribution of AP consultations among centers across time and geographic latitude. This was a retrospective cohort study. The number of outpatient consultations from primary care clinics and every pediatric specialty clinic that resulted in a diagnosis of AP and the total number of outpatient consultations (2001-2004) from 6 tertiary care institutions (Chicago, Pittsburgh, Wilmington, Pensacola, Orlando, Jacksonville) was determined. Rates of consultations were compared across time and between cities. Four time periods of interest, with 2- and 3-month definitions, were arbitrarily selected. Seasonal rates across time were compared separately for each of the 2-month (January-February vs June-July) and 3-month periods (January-March vs June-August). Logistic regression models for each city were used to determine variations in the rate of outpatient AP cases by season or by year. A total of 3,929,522 outpatient consultations and 73,591 AP consultations were analyzed. The rates of AP consultations were consistently higher in the winter months at all of the sites. The results differed between sites at northern and southern latitudes. There seems to be a seasonal variation in consultation patterns for AP at the tertiary care level. A possible role of daylight hours, climate, latitude, and stress is proposed.

Original languageEnglish (US)
Pages (from-to)279-284
Number of pages6
JournalJournal of pediatric gastroenterology and nutrition
Volume46
Issue number3
DOIs
StatePublished - Mar 2008

Keywords

  • Abdominal pain
  • Children
  • Consultation
  • Seasonal variation

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Gastroenterology

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