Epidemiological studies of dementia often use two-stage designs because of the relatively low prevalence of the disease and the high cost of ascertaining a diagnosis. The ÿrst stage of a two-stage design assesses a large sample with a screening instrument. Then, the subjects are grouped according to
✦ LIBER ✦
Comparing the Likelihood Ratios of Two Binary Diagnostic Tests in the Presence of Partial Verification
✍ Scribed by J. A. Roldán Nofuentes; J. D. Luna del Castillo
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 148 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0323-3847
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## Abstract Genotype‐based likelihood‐ratio tests (LRT) of association that examine maternal and parent‐of‐origin effects have been previously developed in the framework of log‐linear and conditional logistic regression models. In the situation where parental genotypes are missing, the expectation‐