期刊
AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE
卷 164, 期 11, 页码 2085-2091出版社
AMER THORACIC SOC
DOI: 10.1164/ajrccm.164.11.2106001
关键词
family; blacks; whites; risk
资金
- NHLBI NIH HHS [N01-HR56065, N01-HR56072, N01-HR56069, N01-HR56074, N01-HR56070, N01-HR56071, N01-HR56075, N01-HR56066, N01-HR56067, N01-HR56068, N01-HR56073] Funding Source: Medline
Despite reports of familial clustering of sarcoidosis, little empirical evidence exists that disease risk in family members of sarcoidosis cases is greater than that in the general population. To address this question, we estimated sarcoidosis familial relative risk using data on disease occurrence in 10,862 first- and 17,047 second-degree relatives of 706 age, sex, race, and geographically matched cases and controls who participated in the multicenter ACCESS (A Case-Control Etiology Study of Sarcoidosis) study from 1996 to 1999. Familial relative risk estimates were calculated using a logistic regression technique that accounted for the dependence between relatives. Sibs had the highest relative risk (odds ratio [OR] = 5.8; 95% confidence interval [CI] 2.1-15.9), followed by avuncular relationships (OR 5.7; 95% CI = 1.6-20.7), grandparents (OR 5.2; 95% CI = 1.5-18.0), and then parents (OR = 3.8; 95% CI 1.2-11.3). In a multivariate model fit to the parents and sibs data, the familial relative risk adjusted for age, sex, relative class, and shared environment was 4.7 (95% CI = 2.3-9.7). White cases had a markedly higher familial relative risk compared with African-American cases (18.0 versus 2.8; p=0.098). In summary, a significant elevated risk of sarcoidosis was observed among first- and second-degree relatives of sarcoidosis cases compared with relatives of matched control subjects.
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