摘要: Cerebral palsy comprises an important component of paediatric and obstetric practice has major medico-legal implications. The prognosis for survival in cerebral determines the financial provision made cases that come to litigation. Issues data quality estimation methods are critical. Estimating probability based on clinical experience is liable serious error unless numerical can be produced. Only actuarial analysis a standard life table will enable valid estimate survival. Construction requires total cohort with their date birth. Each case must conform specified definition syndrome. Notification all those who die, death mandatory. according severity functional disability specific definitional criteria each category categories mutually exclusive. Survival significantly poorer severe disability. Severe cognitive, motor (manual ambulatory), visual disabilities have independent effects hearing does not add additional information when other four included.