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. 2015 May;27(5):684-92.
doi: 10.1111/nmo.12542. Epub 2015 Mar 22.

Inpatient burden of childhood functional GI disorders in the USA: an analysis of national trends in the USA from 1997 to 2009

R Park  1 , S Mikami, J LeClair, A Bollom, C Lembo, S Sethi, A Lembo, M Jones, V Cheng, E Friedlander, S Nurko
Affiliations

Inpatient burden of childhood functional GI disorders in the USA: an analysis of national trends in the USA from 1997 to 2009

R Park et al. Neurogastroenterol Motil. 2015 May.

Abstract

Background: Functional gastrointestinal disorders (FGIDs) are among the most common outpatient diagnoses in pediatric primary care and gastroenterology. There is limited data on the inpatient burden of childhood FGIDs in the USA. The aim of this study was to evaluate the inpatient admission rate, length of stay (LoS), and associated costs related to FGIDs from 1997 to 2009.

Methods: We analyzed the Kids' Inpatient Sample Database (KID) for all subjects in which constipation (ICD-9 codes: 564.0-564.09), abdominal pain (ICD-9 codes: 789.0-789.09), irritable bowel syndrome (IBS) (ICD-9 code: 564.1), abdominal migraine (ICD-9 code: 346.80 and 346.81) dyspepsia (ICD-9 code: 536.8), or fecal incontinence (ICD-codes: 787.6-787.63) was the primary discharge diagnosis from 1997 to 2009. The KID is the largest publicly available all-payer inpatient database in the USA, containing data from 2 to 3 million pediatric hospital stays yearly.

Key results: From 1997 to 2009, the number of discharges with a FGID primary diagnosis increased slightly from 6,348,537 to 6,393,803. The total mean cost per discharge increased significantly from $6115 to $18,058 despite the LoS remaining relatively stable. Constipation and abdominal pain were the most common FGID discharge diagnoses. Abdominal pain and abdominal migraine discharges were most frequent in the 10-14 year age group. Constipation and fecal incontinence discharges were most frequent in the 5-9 year age group. IBS discharge was most common for the 15-17 year age group.

Conclusions & inferences: Hospitalizations and associated costs in childhood FGIDs have increased in number and cost in the USA from 1997 to 2009. Further studies to determine optimal methods to avoid unnecessary hospitalizations and potentially harmful diagnostic testing are indicated.

Keywords: abdominal pain; associated costs; constipation; dyspepsia; epidemiology; fecal incontinence; functional GI disorders; inpatient admission rates; length of stay; pediatric.

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Conflict of interest statement

Potential Conflicts of Interest: The authors have no conflicts of interest relevant to this article to disclose.

Figures

Figure 1
Figure 1
The total mean charge per discharge with a principal diagnosis of an FGID from 1997 to 2009.
Figure 2
Figure 2
The number of hospital discharges with a principal diagnosis of an FGID from 1997 to 2009.
Figure 3
Figure 3
The mean length of inpatient stay of patients with a principal diagnosis of an FGID from 1997 to 2009.
Figure 4a
Figure 4a
The age distribution of patients discharged with a principal diagnosis of an FGID in 1997.
Figure 4b
Figure 4b
The age distribution of patients discharged with a principle diagnosis of an FGID in 2009.
Figure 5a
Figure 5a
The frequency of patients discharged with a principle diagnosis of an FGID in 1997.
Figure 5b
Figure 5b
The frequency of patients discharged with a principle diagnosis of an FGID in 2009.
See this image and copyright information in PMC

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