Publicly Available Large Data Sets for Health Outcomes ...

[Pages:44]Publicly Available Large Data Sets for Health Outcomes Research: Pearls,

Pitfalls, Prices & More

LAKSHIKA TENNAKOON-MD, MSC, MPHIL, DTM&H RESEARCH SCIENTIST

TRAUMA, ACUTE CARE AND CRITICAL CARE SURGERY STANFORD UNIVERSITY

October, 2018

Aims

? To encourage use of public data for Research

? To characterize existing large clinical databases

Best Currently Available Databases

Databases Nationwide Inpatient Sample (NIS) Nationwide Emergency Department Sample (NEDS) Nationwide Readmissions Database (NRD) KID Inpatient Data (KID)

National Trauma Databank (NTDB) National Surgical Quality Improvement program (NSQIP)

Dates

1988- 2016 2006-2016 2010-2016 1997,2000, 2003,2006, 2009, 2012, 2016 2002-2016 2005-2016

Source

HCUP

HCUP HCUP HCUP

ACS ACS

National Ambulatory Medical Care Survey (NAMCS)

1993-2015

CDC

Databases..........

Databases

National Health and Nutrition Examination Survey (NHANES) National Hospital Ambulatory Medical Care Survey (NHAMCS) Medicare/SEER MarketScan Hospital based Registry data

Dates 1999-2015

1992-2015

1991-2015 2002-2011

Source CDC

CDC

Government Private Hospital Based

Nationwide Inpatient Sample (NIS)

? The largest publicly available all-payer inpatient care database in the United States

? Samples include all discharges from 20% stratified sample of US hospitals

? NIS data can be weighted to generate national estimates

? Years available: 1988 to 2016 ? Has 8 million hospital stays a year ? NIS_2015_CORE data file has: 7,153,989 Records

Cost & Data Load Software

? Cost of 2016 NIS : $625 ? Original Data comes as CSV or ASCII files ? Load programs are available in:

STATA SAS SPSS ? Data storage : Large databases need a server or BOX

NIS-Requirements

Citing HCUP Databases

? Citing HCUP Databases in Abstract and Manuscript: As specified in the HCUP DUAs, include the database name, HCUP, and AHRQ as demonstrated below for each HCUP database:

? HCUP Nationwide Inpatient Sample (NIS). Healthcare Cost and Utilization Project (HCUP). 2007-2009. Agency for Healthcare Research and Quality, Rockville, MD. hcupus.nisoverview.jsp

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