Exact(3)
Vitamin D supplementation could provide a long term solution, but in this study which examines a random cross section of UK population, the percentage of subjects currently taking vitamin D supplementation is very low.
We were able to detect the presence of five different E. coli pathogenic variants from a random cross section of stools from cases and non-diarrheal controls without an alternate identified etiology by PCR amplification.
Subsequent statistical analysis confirmed that in those hospitals where we were unable to take our own sample, a random cross section of files appeared to have been made available without having been 'cherry-picked' by hospital records departments in order to show 100% compliance with national VTE risk assessment in orthopaedics and general medicine.
Similar(57)
Another study, published this month in Pediatrics, using a random cross-section of American children, showed that an elevated level of a particular pesticide residue nearly doubled the likelihood that a child would have A.D.H.D. "The size of this deficit is educationally meaningful in the early preschool years," Virginia Rauh, the leader of Columbia's research, said.
But one doesn't usually choose one's workplace primarily for insurance reasons, so an insurer covering a whole workplace can expect a less biased sample of workers not a random cross-section of society, since the particular workplace will attract a particular type of person, but at least a sample that isn't as biased toward the sick.
This by itself will bias the index's performance relative to a random cross-section of all publicly traded companies.
Even at the coffee shop, it's not a random cross-section of society that caffeinates there each day, but a group of people particular to the location and environment of Georgetown.
Given that the collection represents a random cross-section of paper production from the Islamic cultural realm, we explored whether typical material properties of Islamic paper could be defined.
A random cross-section of adults who provided complete telephone interview and postal survey data (n=1906) was included.
In one study, 46% of 112 homes representing a random cross-section of homes in several NOLA parishes had visible mold growth (Ratard et al. 2006).
This study evaluates the effects of a short face-to-face communication training program followed by two group teleconferences on the quality of physician-patient relationships using a random cross-section of patients in the participating physicians' practices.
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