流行病学调查显示脑瘫患病率在发达国家为2‰~3‰。[12]Hirtz D, Thurman DJ, Gwinn-Hardy K, et al. How common are the "common" neurologic disorders? Neurology. 2007 Jan 30;68(5):326-37.http://www.ncbi.nlm.nih.gov/pubmed/17261678?tool=bestpractice.com 在美国,据估50岁以下脑瘫患者人数为700000。过去的30年由于低出生体重儿存活率升高,脑瘫的患病率较之过去有所上升。一项调查显示,欧洲的患病率可能有小幅度下降。[13]Sellier E, Platt MJ, Andersen GL, et al; Surveillance of Cerebral Palsy Network. Decreasing prevalence in cerebral palsy: a multi-site European population-based study, 1980 to 2003. Dev Med Child Neurol. 2016 Jan;58(1):85-92.http://www.ncbi.nlm.nih.gov/pubmed/26330098?tool=bestpractice.com 发展中国家由于缺乏产前保健、营养不良、围产期护理,脑瘫的患病率约为发达国家的3倍,[14]Odding E, Roebroeck ME, Stam HJ. The epidemiology of cerebral palsy: incidence, impairments and risk factors. Disabil Rehabil. 2006 Feb 28;28(4):183-91.http://www.ncbi.nlm.nih.gov/pubmed/16467053?tool=bestpractice.com
男性发病率比女性稍高,夏季的出生率比其他季节要高。[14]Odding E, Roebroeck ME, Stam HJ. The epidemiology of cerebral palsy: incidence, impairments and risk factors. Disabil Rehabil. 2006 Feb 28;28(4):183-91.http://www.ncbi.nlm.nih.gov/pubmed/16467053?tool=bestpractice.com[15]Colver AF, Gibson M, Hey EN, et al; the North of England Collaborative Cerebral Palsy Survey. Increasing rates of cerebral palsy across the severity spectrum in north-east England 1964-1993. Arch Dis Child Fetal Neonatal Ed. 2000 Jul;83(1):F7-12.http://fn.bmj.com/content/83/1/F7.longhttp://www.ncbi.nlm.nih.gov/pubmed/10873162?tool=bestpractice.com 流行病学显示脑瘫的单胎发病率为2.3‰,双胎为12.6‰,三胎为44.8‰。[14]Odding E, Roebroeck ME, Stam HJ. The epidemiology of cerebral palsy: incidence, impairments and risk factors. Disabil Rehabil. 2006 Feb 28;28(4):183-91.http://www.ncbi.nlm.nih.gov/pubmed/16467053?tool=bestpractice.com 产前因素至少占脑瘫高危因素的70%。[16]Jacobsson B, Hagberg G. Antenatal risk factors for cerebral palsy. Best Pract Res Clin Obstet Gynaecol. 2004 Jun;18(3):425-36.http://www.ncbi.nlm.nih.gov/pubmed/15183137?tool=bestpractice.com 低收入人群的患病率为普通人群脑瘫患病率的2倍。[14]Odding E, Roebroeck ME, Stam HJ. The epidemiology of cerebral palsy: incidence, impairments and risk factors. Disabil Rehabil. 2006 Feb 28;28(4):183-91.http://www.ncbi.nlm.nih.gov/pubmed/16467053?tool=bestpractice.com