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Related Experiment Video

Updated: Jul 19, 2026

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts

Published on: September 20, 2018

Comorbidity, co-occurrence, continuum: What's in a name?

B Kaplan¹, S Crawford, M Cantell

¹Department of Pediatrics, University of Calgary, AB, Canada. bonnie.kaplan@calgaryhealthregion.ca

Child: Care, Health and Development

|October 5, 2006

Summary

The terms "comorbidity," "co-occurrence," and "continuum" are often used for developmental disorders like Developmental Coordination Disorder (DCD). This study suggests "co-occurrence" and "continuum" are more useful for understanding these conditions.

Related Experiment Videos

Last Updated: Jul 19, 2026

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts

Published on: September 20, 2018

Area of Science:

Developmental Psychology
Neurodevelopmental Disorders
Clinical Terminology

Background:

Confusing terminology like comorbidity, co-occurrence, and continuum is used for developmental disorders such as Developmental Coordination Disorder (DCD).
These terms can be misleading, upsetting to parents, and unhelpful for guiding clinical interventions.

Purpose of the Study:

To critically examine the terminology used for DCD and other developmental problems.
To discuss conceptual frameworks addressing the interrelationships among developmental problems.

Main Methods:

Analysis of basic dictionary definitions of key terms.
Review of published data on co-occurrence and continuum in developmental disorders.
Examination of alternative conceptual frameworks for describing relationships between developmental problems.

Main Results:

The term 'comorbidity' has questionable relevance and limited utility for developmental problems.
'Co-occurrence' and 'continuum' are more appropriate and useful terms.
Atypical brain development and minor neurological dysfunction may explain increased co-occurrence in affected children.

Conclusions:

Re-evaluating terminology is crucial for accurate understanding and effective intervention in developmental disorders.
Co-occurrence and continuum offer more practical frameworks than comorbidity.
Understanding underlying neurological factors can elucidate patterns of developmental disorder co-occurrence.