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The Prevalence of Cerebral Palsy in British Columbia, 1991-1995

Published online by Cambridge University Press:  02 December 2014

Les Smith ,
Karen D. Kelly ,
Glenda Prkachin  and
Donald C. Voaklander
Les Smith
Affiliation:
Northern Health, University of Northern British Columbia, Prince George, BC
Karen D. Kelly
Affiliation:
Nursing, University of Alberta, Edmonton, AB, Canada
Glenda Prkachin
Affiliation:
Psychology, University of Northern British Columbia, Prince George, BC
Donald C. Voaklander
Affiliation:
School of Public Health, University of Alberta, Edmonton, AB, Canada
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Abstract

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Objective:

To quantify the prevalence of cerebral palsy (CP) in British Columbia within a four-year birth cohort.

Methods:

The study was a population-based record linkage study of a birth cohort of British Columbian children born between April 1, 1991 and March 31, 1995. Cases were identified by the presence of International Classification of Diseases, Version 9 (ICD-9) diagnostic code “343” recorded at three years of age or older or by having the ICD-9 diagnostic code “343” recorded prior to the third birthday with two confirmatory diagnoses within the first three years of life through a record search of the BC Medical Services Plan billing files for the fiscal years 1991 to 1995.

Results/Conclusion:

This research has provided an estimate of the prevalence of CP in the four-year birth cohort 1991 to 1995 in British Columbia. An aggregate prevalence rate of CP was measured as 2.68 per 1000 live births, and a congenital rate was measured at 2.57 for the same population. Birth weight and gestational age demonstrated a significant relationship with the development of CP. This study should lend credence to the establishment of a CP register in British Columbia.

Résumé:

<span class='bold'>RÉSUMÉ:</span><span class='bold'><span class='italic'>Objectif:</span></span>

Le but de cette étude était d’évaluer la prévalence de la paralysie cérébrale (PC) en Colombie Britannique dans une cohorte de naissance de 4 ans.

<span class='bold'><span class='italic'>Méthodes:</span></span>

Il s’agit d’une étude de population effectuée au moyen d’une recherche de la banque de données de facturation du BC Medical Services Plan d’une cohorte de naissance d’enfants nés en Colombie-Britannique entre le 1er avril 1991 et le 31 mars 1995. Les cas étaient identifiés par la présence du code diagnostique ICD-9 « 343 » inscrit lorsque l’enfant avait trois ans ou plus ou, s’il était plus jeune, lorsque le code « 343 » était accompagné de deux diagnostics confirmant la PC dans les trois premières années de vie.

<span class='bold'><span class='italic'>Résultats / Conclusion:</span></span>

Le taux de prévalence global de la PC a été évalué à 2,68 par 1 000 naissances vivantes et le taux congénital à 2,57 dans la mème population. Il existait une relation significative entre la présence de la PC et le poids à la naissance et l’àge gestationnel. Cette étude ajoute foi à l'établissement d'un registre de la PC en Colombie-Britannique.

Type
Original Articles
Information
Canadian Journal of Neurological Sciences , Volume 35 , Issue 3 , July 2008 , pp. 342 - 347
Copyright
Copyright © The Canadian Journal of Neurological 2008

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