The estimated prevalence of multiple record encounters in the National Emergency Medical Services Information System
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The authors aimed to evaluate the prevalence of multiple record encounters within the National Emergency Medical Services Information System (NEMSIS) to better understand the extent of potentially related records for single patient care episodes. Their analysis of over 36 million EMS records revealed that 99.4% represented unique episodes of care, with only 0.5% involving multiple records, indicating that while duplicate documentation is rare, it should still be considered in analyses, especially for specific clinical subpopulations.
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