37 Kids’ Inpatient Database (KID)

37.1 Organization

Agency for Healthcare Research and Quality (AHRQ), HHS

37.3 Description

  • Only all-payer (private insurance, Medicaid, Medicare, and uninsured) pediatric inpatient care database in the United States, containing data from two to three million hospital stays
  • Sample of pediatric (age 20 or younger at admission) discharges from community, non- rehabilitation hospitals in participating states
  • Used for developing national and regional estimates and analyzing rare conditions and uncommon treatments
  • Wide range of topics including economic burden, access to services, quality of care, patient safety, impact of health policy changes

37.4 Vintage/Release Frequency

Triennial for 1997-2012 and 2016-present

37.5 Observational Unit

Hospital inpatient admission

37.6 Collection Methodology

  • Capture four files: inpatient core file containing pediatric discharges sampled from participating HCUP hospitals (contains linkage variables, demographics, clinic information, and payment information); hospital file containing linkage variables and basic information about the hospital; disease severity measures file; and, the diagnosis and procedure group files.
  • State-level inpatient databases serve as sampling frame for KID
  • Select stratified sample (uncomplicated in-hospital births, complicated in-hospital births, all other pediatric hospital stays), oversampling in last two groups

37.8 User Guide/Data Dictionary

  • Data elements are available at https://www.hcup- us.ahrq.gov/db/nation/kid/kiddde.jsp .
  • Also see https://hcup- us.ahrq.gov/db/nation/kid/kiddbdocumentation.jsp

37.9 Cost

Cost varies by year

37.10 Proposal or Application required?

Application form required

37.11 DUA required?

Yes

37.12 Special Notes

  • Hospital discharge data uses ICD codes. 2012 and earlier use ICD-9 while 2016 and later years use ICD- 10.
  • KID 2015 was skipped by HCUP due to the transition from ICD-9 to ICD-10 that year; 2016 released instead
  • Cannot be used to conduct state-level analyses
  • All users must take on-line HCUP Data Use Agreement (DUA) training course and read and sign DUA
  • Before publishing with any HCUP database, ensure manuscript follows requirements of the HCUP DUA and includes the appropriate citation (see https://www.hcup- us.ahrq.gov/db/publishing.jsp)