Development of a Comprehensive Approach for Serious Traffic Crash Injury Measurement and Reporting Systems (2021) / Chapter Skim
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Pages 29-36
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From page 29... ...
29 6 Roadmap to Comprehensive Measurement of Serious Injuries Through Linkage Although we present two near-term options for measurement of serious injury using a medical-diagnosis-based metric, the most comprehensive, long-term solution is to link crash data to medical outcome data at the state level. In addition, in setting up data linkage systems for this purpose, it is useful to consider linkage of state data systems broadly.
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30 • Development of hidden-injury prediction models that could aid EMS and hospital treatment of crash-involved patients • Better validation of EMS practices through the ability to link to diagnosis general, linked data systems enable richer analyses, and they can make data collection and access more efficient. By collecting each piece of information only once and sharing across data systems, information needed in several datasets can be obtained more efficiently.
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31 geography affects crash type, it also affects injury risk, so geographical bias in coverage of one database (e.g., EMS) will introduce bias into the linked dataset as well.
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32 6.3.4 Timeliness State crash datasets are used for planning purposes, and highway safety plans must be completed each year in July. Since crash-related fatalities may occur anytime within 30 days of a crash, the annual state crash dataset cannot be finalized until the end of January the following year.
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33 link the two records. Thus, when linkage is made from crash-to-EMS and EMS to medical outcome data, cases with transfers may be less likely to link to final discharge diagnosis (possibly made at the second hospital)
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34 A focus of the Injury Surveillance Workgroup's (2003) report was the use of externalExternal-cause codes in the patient discharge report.
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35 The Roadway Data Improvement Program (RDIP) assists states in improving the quality of their roadway data and its management.
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36 may be assigned a code, but they will not appear in the EMS dataset and their code will not be used. Linkage from crash to hospital would then pass through two stages (crash linked to EMS, and EMS linked to hospital)
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