United States Healthcare Burden of Pediatric Functional Gastrointestinal Pain Disorder Hospitalizations from 2002 to 2018.

FGID hospitalization prevalence rates decreased recently, possibly due to national healthcare policy implementation. Nonetheless, constipation admissions increased. LOS was stable in recent years but associated costs-per-hospitalization were increasing over time, probably due to endoscopic procedures. More studies are needed to explain these prevalence and cost trends.