|Dataset full name:||Health care Cost & Utilization Project (HCUP): Kids' Inpatient Database (KID)|
|Summary||The KID is a database of hospital inpatient stays for children ages 20 and under, designed to permit researchers to study a broad range of conditions and procedures related to child health issues. It allows researchers to identify, track, and analyze national trends in health care utilization, access, charges, quality, and outcomes. The KID is one of the databases and software tools developed as part of the Healthcare Cost and Utilization Project (HCUP) to inform decision making at the national, state, and community levels.|
|Key Terms||Utilization and Cost of Hospital Services, Health Care Cost, Comparative Effectiveness Research, Access and Quality of Care, Newborns, Children, Adolescents|
|Sponsoring Agency/Entity||Department of Health and Human Services (HHS) Agency for Healthcare Research and Quality (AHRQ)||Health conditions/Disability measures|
|Disability Measures||NA||Measures/outcomes of interest|
|Topics||Primary diagnosis, Secondary diagnosis, Primary procedure, Secondary procedure, Admission status, Discharge status, Patient demographics (e.g., gender, age, race, median income for ZIP Code), Expected payment source, Total charges, Length of stay, Hospital characteristics (e.g., ownership, size, teaching status), Hospital services, Newborns, Children, Adolescents, Congenital anomalies, Economic burden, Adolescent pregnancy, Pediatric conditions, Outcomes, Death in hospital||Sample|
|Sample Population||All hospital inpatient children: 20 years and younger; the 1997 KID contains data on children 18 years of age and younger|
|Sample Size/Notes||2012: 4,179 hospitals from 44 states containing 3,195,782 pediatric discharges|
|Unit of Observation||Individual/Patient|
|Geographic Coverage||National* (44 states in 2012)|
|Geographic specificity||Varies by state||Data Collection|
|Data Collection Mode||Administrative|
|Years Collected||1997, 2000, 2003, 2006, 2009, 2012, 2016 (the 2015 data contained blended ICD-9/10 coding, so 2016 data will be released instead)|
|Data Collection Frequency||Every three years||Strengths and limitations|
|Strengths||Unique and powerful database of hospital inpatient stays for children, specifically designed to permit researchers to study a broad range of conditions and procedures related to child health issues. Researchers and policymakers can use the KID to identify, track, and analyze national trends in health care utilization, access, charges, quality, and outcomes. Data is weighted to determine national estimates. Patient severity adjustment is available. Large sample allows for examination of incidence of uncommon conditions. Comprehensive documentation and training available through AHRQ. Data can be linked with other datasets like American Hospital Association (AHA) survey, and Area Resource File (ARF).|
|Limitations||Information is limited to inpatient stays. Clinical details are limited (e.g., intensity of rehabilitation intervention). Not all states or hospitals participate. Not all data elements are uniformly coded or available across states. Different states have different rules regarding confidentiality resulting in missing values, cases, or hospitals. Coding of certain variables has changed over time.||Data details|
|Data Access Requirements||Data Use agreement, $ Cost|
|Technical||Documentation: https://www.hcup-us.ahrq.gov/db/nation/kid/kiddbdocumentation.jsp Introduction to 2012 HCUP-KID:https://www.hcup-us.ahrq.gov/db/nation/kid/KID_2012_Introduction.pdf|
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