Methods Followed-up with computed radiography made a comparison between 47 abnormal hips (CDH and DDH ) in 26 infants ,and 60 normal hips in 30 infants.

• 方法经临床随访证实的26例CDH及DDH婴儿47个患髋和30例正常婴儿60个正常髋关节用X线对照的方法寻求婴儿早期CDH及DDH诊断方法,统计学卡方检验。