Quartile


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Quartile

In statistics, the set of values encompassing one-quarter of points in a data set.
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Borrowers who resided in the top quartile of (subprime) ZIP codes in 1999 exhibited larger growth in per-capita mortgage balances.
Even more disappointing was data showing that the best-performing equity funds -- in the top quartile -- are more likely to become the worst performing funds -- in the bottom quartile -- than vice versa.
We saw roughly a 40% relative risk reduction in all-cause mortality with CABG in the youngest quartile, compared with the three older groups.
A post-hoc analysis of a prospective RCT (the Diabetes Prevention Program) comprising 3081 patients with impaired glucose metabolism who received metformin, a lifestyle modification program, or no intervention (placebo) found that metformin reduced the risk of developing diabetes only for patients in the highest risk quartile over 2.
In terms of asset reliability, Emerson found that Top Quartile performers spend half as much on maintenance compared with average performers and operate with an incremental 15 days of available production each year.
5 grams of fiber a day were in the top quartile and represented the largest number of participants, 571.
Individuals in the highest quartile of patient experience tended to be older, publicly insured, have a usual source of care, less likely to have had an emergency department visit, have fewer office visits, have a greater number of prescription medicines, and self-report better health status than those with worse patient experiences with care.
7 percent of those in the highest-income quartile had debt.
47 times, respectively, compared to the first quartile.
Here, students in the bottom quartile were again more functionally overconfident than students in the three higher quartiles, as shown by positive absolute difference scores (all ps < .