Sentences with phrase «derived age estimate»

Not exact matches

Approximate cancer risks to age 70 years for specific mutation classes were derived from the relative risk estimates.

To illustrate potential mutation - specific effects on absolute cancer risks, we used the hazard ratio estimates to derive approximate absolute risks and 95 % confidence intervals, based on published estimates for the overall risks of breast and ovarian cancer by age 70 years.26 These estimates are for illustration and do not represent absolute risk estimates that would be required in a genetic counseling setting, as they do not account for noncancer outcomes that may influence a woman's life expectancy, the effects of family history, and nonrandom ascertainment of mutation carriers in this sample and depend on assumptions about the prevalence of different mutation classes in the population.

In 2010, a new study (which included better model atmosphere fitting) argued that the system is around six billion years old, even older than estimates of 3.7 to 4.3 billion years derived from a 2009 study based on mass and evolutionary models for the two brown dwarf companions Ba and Bb (Liu et al, 2010; and King et al, 2009), which are much older than an earlier age estimate of between 0.8 and 2.0 billion years based on the star's rotational speed (press release; Scholz et al, 2003; and Lachaume et al, 1999).

Analysis of lunar rock samples thought to have been derived from the original magma has given scientists a new estimate of the Moon's age.

Estimates were derived using Cox regression adjusted for age, sex, smoking status, cumulative tobacco consumption, alcohol consumption, leisure - time physical activity, income, and plasma cholesterol level.

Satellite - derived estimates of sea - ice age and thickness are combined to produce a proxy ice thickness record for 1982 to the present.

Estimated ice age for June 21, 2010 from the University of Colorado satellite - derived (Lagrangian drift) sea ice age (in years).

Here, thickness data, which are sorely lacking but available in a few locations as the result of International Polar Year efforts and from satellite - derived estimates of ice age or type, constrain modeled thickness distributions.