Electronic versus manual data processing: evaluating the use of electronic health records in out-of-hospital clinical research.

ABSTRACT:

Objectives

  The objective was to compare case ascertainment, agreement, validity, and missing values for clinical research data obtained, processed, and linked electronically from electronic health records (EHR) compared to "manual" data processing and record abstraction in a cohort of out-of-hospital trauma patients.

Methods

  This was a secondary analysis of two sets of data collected for a prospective, population-based, out-of-hospital trauma cohort evaluated by 10 emergency medical services (EMS) agencies transporting to 16 hospitals, from January 1, 2006, through October 2, 2007. Eighteen clinical, operational, procedural, and outcome variables were collected and processed separately and independently using two parallel data processing strategies by personnel blinded t

SUBMITTER: Newgard CD 

PROVIDER: S-EPMC3278860 | biostudies-literature | 2012 Feb

REPOSITORIES: biostudies-literature