Author(s): Kirby RS, Wingate MS, Van Naarden Braun K, Doernberg NS, Arneson CL,
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Abstract AIM: To estimate the prevalence of cerebral palsy (CP) and the frequency of co-occurring developmental disabilities (DDs), gross motor function (GMF), and walking ability using the largest surveillance DD database in the US. METHODS: We conducted population-based surveillance of 8-year-old children in 2006 (N=142,338), in areas of Alabama, Georgia, Wisconsin, and Missouri. This multi-site collaboration involved retrospective record review at multiple sources. We reported CP subtype, co-occurring DDs, Gross Motor Function Classification System (GMFCS) level, and walking ability as well as CP period prevalence by race/ethnicity and sex. RESULTS: CP prevalence was 3.3 (95\% confidence interval [CI]: 3.1-3.7) per 1000 and varied by site, ranging from 2.9 (Wisconsin) to 3.8 (Georgia) per 1000, 8-year olds (p<0.02). Approximately 81\% had spastic CP. Among children with CP, 8\% had an autism spectrum disorder and 35\% had epilepsy. Using the GMFCS, 38.1\% functioned at the highest level (I), with 17.1\% at the lowest level (V). Fifty-six percent were able to walk independently and 33\% had limited or no walking ability. INTERPRETATION: Surveillance data are enhanced when factors such as functioning and co-occurring conditions known to affect clinical service needs, quality of life, and health care are also considered. Copyright © 2011 Elsevier Ltd. All rights reserved.
This article was published in Res Dev Disabil
and referenced in International Journal of Physical Medicine & Rehabilitation