SIBLING CORRELATIONS AND SEGREGATION ANALYSIS OF AGE-RELATED MACULOPATHY - THE BEAVER DAM EYE STUDY
SIBLING CORRELATIONS AND SEGREGATION ANALYSIS OF AGE-RELATED MACULOPATHY - THE BEAVER DAM EYE STUDY
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DOI:
10.1002/gepi.1370110106
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发表时间:
1994-01-01
影响因子:
2.1
通讯作者:
KLEIN, R
中科院分区:
文献类型:
--
作者:
HEIBA, IM;ELSTON, RC;KLEIN, R
Sibling correlations were evaluated and segregation analysis was performed on age-dependent maculopathy scores of the right and left eyes of individuals from 564 families in the Beaver Dam Eye study. There is evidence of significant sibling correlations. The data fit a mixture of two normal distributions, especially after undergoing the Box and Cox power transformation. In each eye, the hypothesis of mendelian transmission of a major effect cannot be rejected under the tau(AB) free model, but is rejected under the tau's free model. The hypothesis of a random environmental major effect is rejected. Similar major gene parameter estimates are found for both eyes. The results are consistent with a major effect accounting for 62% and 59%, in the right and left eyes, respectively, of the determination of age-related maculepathy scores. A single major gene can account for about 89% and 97% of this variability due to a major effect, or for about 55% and 57% of the total variability, in the right and left eyes, respectively. (C) 1994 Wiley-Liss, Inc.