Sentence examples for ascertained only a from inspiring English sources

Current prospective studies of birth cohorts have ascertained only a limited number of new patients per year and are expected to take several years to provide sufficient statistical power.

Excluding nine families ascertained only through a series of male breast cancers (one such family was already excluded for lack of information) greatly reduces the statistical power of our analysis.

In some studies, presumed hemochromatosis heterozygotes were ascertained only by self-reported kinship to a putative hemochromatosis homozygote in questionnaire surveys [ 53].

The size and diversity of the data set permits consideration of several questions that cannot be addressed in a study of individuals ascertained only for ASDs.

This is a neutral or indifferent stage during which the sex of an embryo can be ascertained only by examination of the chromosomes in its cells.

However, tissue vasculature can be ascertained only through intensive examination (e.g., of pathological specimens), a process that presents major difficulties.

However whether a claim can itself be considered suitable can be ascertained only by asking whether it can be agreed on by all those affected in hypothetical conditions of freedom and equality.

Whether BRCA may become a clinically useful prognostic or predictive factor can be ascertained only by large randomized trials.

A total of 24 (15.1%) of the dementia/CIND cases were ascertained only from death certificates.

Patient preference for a telephone-based or Internet-based system can be definitively ascertained only after patients use both systems.

The follow-up for the patients who returned a non-zero score on the suicide-ideation item was ascertained only by interviewing the practice nurses concerned to maintain patient confidentiality.