Sentences with phrase «case control studies provided»

However, a 2013 meta - analysis of 6 prospective and 6 case control studies provided insufficient evidence that coffee consumption significantly increases hip fracture risk.

Not exact matches

Except for male sex, which was not a risk factor in study participants, the ORs obtained from participants were similar to those obtained from all eligible cases and controls, providing no evidence of a noticeable selection bias.

The 17 studies included in the meta - analysis provided a total of 9650 leukemia cases and 16526 control individuals for which there were breastfeeding data that could be analyzed.

In addition, some recent cohort studies provided detailed information of adjustment for confounders, whereas some early case - control studies adjusted for fewer factors.

This provoked a strong rebuttal by wildlife ecologist Graeme Caughley, who suggested that because the factors that may have resulted in this irruption were «hopelessly confounded,» a case study of the Kaibab provided an ineffective example of top - down control.

Their website provides resources on a variety of evaluation approaches from case study, to participatory evaluation, to randomized controlled trials and outcome mapping.

«When we provide convenient and rigorous medical care to African - American men by coming to them — in this case having pharmacists deliver that care in barbershops — blood pressure can be controlled and lives can be saved,» said Ronald G. Victor, MD, associate director of the Smidt Heart Institute and the study's lead author.

While standard cross-sectional, or case - control studies haven't shown a huge impact from non-HLA genes, they only provide a «snapshot» of what is happening with both patients and controls alike, the scientists say.

«The authors seem to jump to conclusions based on their analysis of case - control studies despite the fact that their cohort analysis provides no evidence to support their findings.

For example, detecting population substructure is important in case - control studies in genetic epidemiology and can provide valuable information in forensic science.

The study provides a large number of cases (children with ASD) and controls (typically developing, or TD, children), along with blood samples from mothers when their children were 2 to 4 years old.

He presented double - blind placebo - controlled studies on various nutrients as well as his own case studies, proving that eating foods in their natural state - unaltered by cooking, processing, preservatives, chemical fertilizers, fungicides, pesticides, or genetic modification - does indeed provide the body with all the essential vitamins, minerals, live enzymes, and phytochemicals - everything it needs to prevent and fight off disease and create vitality.»

Supplementation may provide a notable decrease to blood pressure (only in cases of high blood pressure), according to multiple peer - reviewed, double - blind, placebo - controlled studies in humans: