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heterozygous deficiency
     Results The rate of heterozygous deficiency of ¦Á1-ACT was 4.4% in childrenn with childhood asthma, 0% in healthy children and 0.5% in healthy adults. The rate of heterozygous deficiency of ¦Á1-ACT was far higher in the asthmatic children than in healthy adults (Prevalence ratio=8.89, ­å2MH=5.68, 95% confidence interval 1.47, 53.60, P< 0.05).  
     ½á¹ûÏø´­×é¡¢¶ùͯ¶ÔÕÕ×éÒÔ¼°³ÉÈ˶ÔÕÕ×é¦Á1 ACTÔÓºÏȱʧƵÂÊÒÀ´ÎΪ4.4 %¡¢0¡¢0.05 % ,Ïø´­×é½Ï³ÉÈ˶ÔÕÕ×éÃ÷ÏÔÔö¸ß[Prevalenceradio(PR)=8.89, 2MH =5.68,95 %ÖÃÐÅÇø¼ä(1.47,53.60) ,P<0.05] ;  
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     Study of heterozygous deficiency of ¦Á_1-antichymotrypsin in childhood asthma  
     ¶ùÍ¯Ïø´­¦Á_1-¿¹ÃÓµ°°×øÔÓºÏȱʧÑо¿  
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     Besides,the rate of heterozygous deficiency of¦Á 1 -ACT in the asthmatic group in Guangzhou was higher than that in Chongqing(¦Ö 2 =4.054,P<0.05).  
     ¹ãÖÝÊÐÏø´­¶ùͯ¦Á1-ACTÔÓºÏȱʧƵÂÊ (14 % )Ã÷ÏÔ¸ßÓÚÖØÇìÊÐÏø´­¶ùͯ (4.4 % ) ,¦Ö2 =4.054,P<0.05 ;  
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     Analysis on¦Á_1-ACT heterozygous deficiency in asthmatic children in Guangzhou  
     ¹ãÖÝÊкº×åÏø´­¶ùͯ¦Á_1-¿¹ÃÓµ°°×øÔÓºÏȱʧ·ÖÎö  
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     The children with heterozygous deficiency of ¦Á1-ACT experienced the first onset of asthma in a far younger age and were hospitalized more frequently. And they had a higher positive rate of radioactive sensitizin test (Prevalence ratio=3.91,­å2MH=10.190,95% confidence interval 1.69,9.03,P<0.01).  
     ÇÒ¦Á1 ACTÔÓºÏȱʧ»¼¶ùÏø´­³õ·¢ÄêÁäÔ硢סԺ´ÎÊý¶à¡¢·ÅÉäÐÔ¹ýÃôÔ­Îü¸½ÊÔÑéÑôÐÔÂÊÏÔÖøÔö¸ß[PR=3.91, 2MH=10.190,95 %ÖÃÐÅÇø¼ä(1.69,9.03) ,P<0.01]¡£
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