Open Access Research article

Mental comorbidity and multiple sclerosis: validating administrative data to support population-based surveillance

Ruth Ann Marrie1122*, John D Fisk3, Bo Nancy Yu2, Stella Leung2, Lawrence Elliott2, Patricia Caetano2, Sharon Warren4, Charity Evans5, Christina Wolfson67, Lawrence W Svenson1089, Helen Tremlett11, James F Blanchard2, Scott B Patten8 and for the CIHR Team in the Epidemiology and Impact of Comorbidity on Multiple Sclerosis

Author Affiliations

1 Department of Internal Medicine, University of Manitoba, Winnipeg, Canada

2 Department of Community Health Sciences, University of Manitoba, Winnipeg, Canada

3 Health Sciences Centre, GF-543. 820 Sherbrook Street, Winnipeg, MB, Canada

4 Departments of Psychiatry and Medicine, Dalhousie University, Halifax, Canada

5 Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Canada

6 College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, Canada

7 Department of Epidemiology and Biostatistics and Occupational Health, McGill University, Montreal, Canada

8 Research Institute of the McGill University Health Centre, Montreal, Canada

9 Department of Community Health Sciences, University of Calgary, Calgary, Canada

10 School of Public Health, University of Alberta, Edmonton, Canada

11 Surveillance and Assessment, Alberta Health, Edmonton, Canada

12 Department of Medicine (Neurology), University of British Columbia, Vancouver, Canada

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BMC Neurology 2013, 13:16  doi:10.1186/1471-2377-13-16

Published: 6 February 2013

Additional files

Additional file 1: Table S1:

Diagnosis and medication codes used to identify comorbidities.

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Additional file 2: Table S2:

Omnibus Definition: Administrative Claims Case Definitions as Compared to Medical Records Review.

Format: DOC Size: 85KB Download file

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Additional file 3: Table S3:

Mood and Anxiety Disorders: Administrative Claims Case Definitions as Compared to Medical Records Review.

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Additional file 4: Table S4:

Depression: Administrative Claims Case Definitions as Compared to Medical Records Review.

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Additional file 5: Table S5:

Anxiety Disorders: Administrative Claims Case Definitions as Compared to Medical Records Review.

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Additional file 6: Table S6:

Bipolar Disorder: Administrative Claims Case Definitions as Compared to Medical Records Review.

Format: DOC Size: 79KB Download file

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Additional file 7: Table S7:

Schizophrenia: Administrative Claims Case Definitions as Compared to Medical Records Review.

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Additional file 8: Figure S1:

Assessment of misclassification bias for administrative case definitions for mental comorbidities.

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