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哮喘有两种类型:①特应性哮喘:指对皮肤划痕试验立即呈阳性反应者;②非特应性哮喘:指对皮肤试验无阳性反应者。作者采用家系调查法,目的是研究特应性和非特应性哮喘都可遗传,以及哮喘和特应性可能是单独遗传的假设。作者鉴于过去从医院门诊调查哮喘患者可能有偏见,因为门诊哮喘患者病情一般较重,因此,采取从一般人群中寻找哮喘患者的方法来进行研究。此研究中共164名小儿(哮喘组77名,对照组87名),其资料系1967～1976年在哮
There are two types of asthma: ① atopic asthma: refers to the skin scratch test immediately positive; ② atopic asthma: refers to those who did not have a positive skin test. The authors used a pedigree approach to study the hypothesis that both atopic and non-atopic asthma are heritable and that asthma and atopic may be inherited independently. Since the authors may be biased in the past to investigate patients with asthma from outpatient clinics, outpatients with asthma generally have a heavier condition, and therefore, are looking for ways to look for asthma in the general population. A total of 164 children (77 in the asthma group and 87 in the control group) were included in this study. Their data were from 1967 to 1976