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Data integrity of the Pediatric Cardiac Critical Care Consortium (PC4) clinical registry

  • Michael Gaies (a1), Janet E. Donohue (a2), Gina M. Willis (a2), Andrea T. Kennedy (a3), John Butcher (a4), Mark A. Scheurer (a5), Jeffrey A. Alten (a6), J. William Gaynor (a7), Jennifer J. Schuette (a8), David S. Cooper (a4), Jeffrey P. Jacobs (a9), Sara K. Pasquali (a1) and Sarah Tabbutt (a10)...
Abstract
Background

Clinical databases in congenital and paediatric cardiac care provide a foundation for quality improvement, research, policy evaluations and public reporting. Structured audits verifying data integrity allow database users to be confident in these endeavours. We report on the initial audit of the Pediatric Cardiac Critical Care Consortium (PC4) clinical registry.

Materials and methods

Participants reviewed the entire registry to determine key fields for audit, and defined major and minor discrepancies for the audited variables. In-person audits at the eight initial participating centres were conducted during a 12-month period. The data coordinating centre randomly selected intensive care encounters for review at each site. The audit consisted of source data verification and blinded chart abstraction, comparing findings by the auditors with those entered in the database. We also assessed completeness and timeliness of case submission. Quantitative evaluation of completeness, accuracy, and timeliness of case submission is reported.

Results

We audited 434 encounters and 29,476 data fields. The aggregate overall accuracy was 99.1%, and the major discrepancy rate was 0.62%. Across hospitals, the overall accuracy ranged from 96.3 to 99.5%, and the major discrepancy rate ranged from 0.3 to 0.9%; seven of the eight hospitals submitted >90% of cases within 1 month of hospital discharge. There was no evidence for selective case omission.

Conclusions

Based on a rigorous audit process, data submitted to the PC4 clinical registry appear complete, accurate, and timely. The collaborative will maintain ongoing efforts to verify the integrity of the data to promote science that advances quality improvement efforts.

Copyright
Corresponding author
Correspondence to: M. Gaies, MD, MPH, Pediatric Cardiac Critical Care Consortium (PC4), C.S. Mott Children’s Hospital, University of Michigan Congenital Heart Center, 1540 E. Hospital Drive, Ann Arbor, MI 48109-4204, United States of America. Tel: +734 883 2986; Fax: +734 936 9470; E-mail: mgaies@med.umich.edu
References
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2. Jantzen, DW, He, X, Jacobs, JP, et al. The impact of differential case ascertainment in clinical registry versus administrative data on assessment of resource utilization in pediatric heart surgery. World J Pediatr Congenit Heart Surg 2014; 5: 398405.
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Cardiology in the Young
  • ISSN: 1047-9511
  • EISSN: 1467-1107
  • URL: /core/journals/cardiology-in-the-young
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