Sentence examples for ascertained a population from inspiring English sources

In 2008 IBGE ascertained a population of circa 190 million Brazilians who, based on self-classification, could be segregated into the following proportions for color: 48.4% White, 43.8% Brown, 6.8% Black, 0.6% Yellow, 0.3% Indigenous and 0.1% with no declaration (http://www.sidra.ibge.gov.br/bda/tabela/listabl.asp z=t&c=262).asp z=t&c=262

Modelling based on the patterns of familial aggregation of breast cancer in the relatives of cases ascertained on a population basis suggests that much of the remaining familial effect is due to the combined effects of genetic variants individually of small effect.

The 30 44 years age range in our study was chosen in order to ascertain a general population sample without much co-morbidity of non-headache disorders.

In 1993, Barker and Power used data from the National Child Developmental Study to ascertain a UK population prevalence of permanent disability following accident in those aged 16 23 years of 28 per 1000 [ 15].

Iscovich and colleagues ascertained a lower gender difference in populations with lower incidence rates [7].

It is not trivial to ascertain whether a population representative sample is obtained, as recruited groups often tend to have a higher proportion of females and concordant pairs (Lykken et al., 1987).

By contrast, our patients were ascertained from a population-based SEER registry.

Subjects were ascertained from a population-based Finnish twin cohort study, FinnTwin16, based at the University of Helsinki.

The 288 original patients were ascertained from a population-based series of consecutive breast cancers from the North Western Cancer Intelligence Service NWCISS) diagnosed with breast cancer at or under 30 years of age between 1 January 1980 and 31 December 1997.

The main objective of the current study was to determine whether the TMPRSS2-ERG gene fusion was associated with prostate cancer-specific mortality in tumors from 372 patients ascertained from a population-based cancer registry and with long-term surveillance after cancer diagnosis.

Low response rates make difficult ascertaining a population-based control group representative of the general population.