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Identifying optic neuritis and transverse myelitis using administrative data.

Ruth Ann Marrie1, Okechukwu Ekuma2, José M A Wijnands3

  • 1Departments of Internal Medicine and Community Health Sciences, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada.

Multiple Sclerosis and Related Disorders
|August 26, 2018
PubMed
Summary
This summary is machine-generated.

Administrative data can identify optic neuritis (ON) and transverse myelitis (TM) cases. These definitions distinguish monophasic presentations from multiple sclerosis (MS) onset, aiding epidemiological studies.

Keywords:
Administrative dataOptic neuritisTransverse myelitisValidation

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Area of Science:

  • Neurology
  • Epidemiology
  • Health Informatics

Background:

  • Accurate identification of optic neuritis (ON) and transverse myelitis (TM) is crucial for understanding their epidemiology and relationship with multiple sclerosis (MS).
  • Administrative health claims data offer a potential resource for large-scale population-based studies, but require validation for specific neurological conditions.

Purpose of the Study:

  • To validate administrative case definitions for identifying individuals with ON and TM.
  • To differentiate between monophasic ON/TM and those who later develop MS using administrative data.

Main Methods:

  • Developed and tested case definitions for ON and TM using population-based administrative data from Manitoba, Canada (2011-2013).
  • Validated case definitions against medical record reviews in a reference cohort (n=1251) using sensitivity, specificity, PPV, and NPV.
  • Estimated annual incidence rates for ON and TM.

Main Results:

  • The ON case definition demonstrated good sensitivity (88.5%) and specificity (82.7%) compared to medical records.
  • The TM case definition showed lower sensitivity (25.9%) but high specificity (89.0%).
  • Validated definitions allowed for distinguishing monophasic ON/TM from MS onset, with varying performance metrics for subtypes (e.g., ON-MS, ON-nonMS).

Conclusions:

  • Administrative data are effective for identifying incident cases of ON and TM.
  • These validated definitions can reliably distinguish monophasic ON/TM from incident MS presentations.
  • The findings support the use of administrative data for epidemiological research on demyelinating diseases.