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Meta-Analysis
. 2022 Dec;64(12):1494-1506.
doi: 10.1111/dmcn.15346. Epub 2022 Aug 11.

Global prevalence of cerebral palsy: A systematic analysis

Sarah McIntyre  1 , Shona Goldsmith  1 , Annabel Webb  1 , Virginie Ehlinger  2 , Sandra Julsen Hollung  3 , Karen McConnell  4 , Catherine Arnaud  5 , Hayley Smithers-Sheedy  1 , Maryam Oskoui  6 , Gulam Khandaker  7 , Kate Himmelmann  8 ; Global CP Prevalence Group*
Affiliations
Meta-Analysis

Global prevalence of cerebral palsy: A systematic analysis

Sarah McIntyre et al. Dev Med Child Neurol. 2022 Dec.

Abstract

Aim: To determine trends and current estimates in regional and global prevalence of cerebral palsy (CP).

Method: A systematic analysis of data from participating CP registers/surveillance systems and population-based prevalence studies (from birth year 1995) was performed. Quality and risk of bias were assessed for both data sources. Analyses were conducted for pre-/perinatal, postnatal, neonatal, and overall CP. For each region, trends were statistically classified as increasing, decreasing, heterogeneous, or no change, and most recent prevalence estimates with 95% confidence intervals (CI) were calculated. Meta-analyses were conducted to determine current birth prevalence estimates (from birth year 2010).

Results: Forty-one regions from 27 countries across five continents were represented. Pre-/perinatal birth prevalence declined significantly across Europe and Australia (11 out of 14 regions), with no change in postneonatal CP. From the limited but increasing data available from regions in low- and middle-income countries (LMICs), birth prevalence for pre-/perinatal CP was as high as 3.4 per 1000 (95% CI 3.0-3.9) live births. Following meta-analyses, birth prevalence for pre-/perinatal CP in regions from high-income countries (HICs) was 1.5 per 1000 (95% CI 1.4-1.6) live births, and 1.6 per 1000 (95% CI 1.5-1.7) live births when postneonatal CP was included.

Interpretation: The birth prevalence estimate of CP in HICs declined to 1.6 per 1000 live births. Data available from LMICs indicated markedly higher birth prevalence.

What this paper adds: • Birth prevalence of pre-/perinatal cerebral palsy (CP) in high-income countries (HICs) is decreasing. • Current overall CP birth prevalence for HICs is 1.6 per 1000 live births. • Trends in low- and middle-income countries (LMICs) cannot currently be measured. • Current birth prevalence in LMICs is markedly higher than in HICs. • Active surveillance of CP helps to assess the impact of medical advancements and social/economic development. • Population-based data on prevalence and trends of CP are critical to inform policy.

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Figures

FIGURE 1
FIGURE 1
Birth prevalence trends of cerebral palsy.
FIGURE 2
FIGURE 2
Birth prevalence trend of pre‐/perinatal cerebral palsy (CP; Surveillance of Cerebral Palsy in Europe and the Australian Cerebral Palsy Register combined).
FIGURE 3
FIGURE 3
Regional birth prevalence of cerebral palsy. ACPR, Australian Cerebral Palsy Register; ACT, Australian Capital Territory; NSW, New South Wales; SCPE, Surveillance of Cerebral Palsy in Europe.
FIGURE 4
FIGURE 4
(a) Current pre‐/perinatal birth prevalence of cerebral palsy (CP) in high‐income countries. (b) Current post neonatal birth prevalence of CP in high‐income countries. ACT, Australian Capital Territory; CI, confidence interval; NSW, New South Wales.
FIGURE 5
FIGURE 5
Period prevalence of overall cerebral palsy for children.
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