Estimating annual prevalence of depression and anxiety disorder in multiple sclerosis using administrative data
Date
2017-11-25
Authors
Marrie, Ruth A
Walld, Randy
Bolton, James M
Sareen, Jitender
Walker, John R
Patten, Scott B
Singer, Alexander
Lix, Lisa M
Hitchon, Carol A
El-Gabalawy, Renée
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Abstract
Abstract
Objective
Researchers have developed case definitions to estimate incidence and lifetime prevalence of depression and anxiety disorders in multiple sclerosis (MS) using administrative data. For policymakers however, the prevalence of a disease requiring ongoing treatment during a given period such as annual period prevalence may be more relevant for decision-making. We tested a case definition for annual period prevalence of depression and anxiety disorders in MS using administrative data.
Results
Using population-based administrative (health claims) data from Manitoba, Canada we identified 1922 persons with incident MS from 1989 to 2012, and 11,392 age, sex and geographically-matched controls from the general population. As compared to controls, MS patients had an elevated annual prevalence ratio of depression (1.77; 95% confidence interval [CI] 1.64, 1.91), and anxiety disorders (1.46; 95% CI 1.35, 1.58). The annual prevalence of depression in our matched cohort was similar to that observed in the 2012 Canadian Community Health Survey, although the annual prevalence of anxiety was slightly higher. Administrative data can be used to estimate the annual period prevalence of psychiatric disorders in MS.
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Citation
BMC Research Notes. 2017 Nov 25;10(1):619