Results:According to incidence, the six leading risk factors in the 560 cases were premature birth, low weight at birth, suffocation, mother, multi fetus, and icterus.

• 结果:560例脑瘫的致病因素按发生频度,排在前6位的分别是早产、低出生体重、窒息、母亲因素、多胎、黄疸。