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Related Experiment Video

Updated: May 6, 2026

Development of an Algorithm to Perform a Comprehensive Study of Autonomic Dysreflexia in Animals with High Spinal Cord Injury Using a Telemetry Device
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An administrative data algorithm to identify traumatic spinal cord injured patients: a validation study.

B Welk1, E Loh2, S Z Shariff3

  • 11] Department of Surgery, Western University, London, Ontario, Canada [2] Institute for Clinical Evaluative Sciences-Western (ICES Western), London, Ontario, Canada.

Spinal Cord
|November 13, 2013
PubMed
Summary

The National Rehabilitation System (NRS) effectively identifies traumatic spinal cord injury (TSCI) patients using Rehabilitation Coding Groups (RCG). This administrative data source offers high accuracy for TSCI patient identification and lesion level coding.

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Area of Science:

  • Rehabilitation Medicine
  • Health Informatics
  • Epidemiology

Background:

  • Accurate identification of traumatic spinal cord injury (TSCI) patients is crucial for research and clinical management.
  • Administrative data sources are increasingly utilized for health research but require validation for specific conditions.

Purpose of the Study:

  • To evaluate the accuracy of different administrative data sources for identifying patients with traumatic spinal cord injury (TSCI).
  • To compare the validity of diagnostic ICD10 codes (Canadian Institutes of Health Discharge Abstracts - CIHI-DAD), Rehabilitation Coding Groups (RCG) from the National Rehabilitation System (NRS), and Ontario Healthcare Insurance Plan (OHIP) fee codes.

Main Methods:

  • Retrospective validation study conducted in Ontario, Canada.
  • Adult patients attending tertiary outpatient spinal cord rehabilitation clinics after April 1, 2002, were included.
  • Assessed sensitivity, specificity, and predictive values of diagnostic codes; secondary outcome was agreement on lesion level.

Main Results:

  • NRS RCG codes demonstrated high sensitivity (92%) and specificity (97%) for TSCI identification.
  • CIHI-DAD ICD10 codes showed high specificity (99%) but moderate sensitivity (76%).
  • OHIP fee codes had poor sensitivity (64%), while coding agreement for lesion level was good for NRS and CIHI-DAD.

Conclusions:

  • The National Rehabilitation System (NRS) accurately identifies patients with and without traumatic spinal cord injury (TSCI).
  • Administrative data, particularly NRS RCG codes, can identify a substantial population of TSCI patients.
  • This validates the use of administrative data for TSCI patient identification and epidemiological studies.