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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Comparing the difference between third and first quartile should make the benefits of country and sector selection a bit more comparable.
Crude HR of readmission in the third, second and first quartiles (versus to the fourth quartile who were the richest patients) were 1.63 (95% CI= 0.87-3.04), 7.78 (95% CI= 4.39-13.70), and 9.57 (95% CI= 5.55-16.50), respectively (Table 5).
Patients with Hb[A.sub.1c] greater than 9% who were consuming sodium in the highest quartile were 9.91 times more likely to develop cardiovascular disease than were those in the first quartile with Hb[A.sub.1c] less than 9%.
The percentage of white and Chinese participants was highest in the fourth quartile and lowest in the first quartile, while the percentage of black participants was lowest in the first quartile and highest in the fourth quartile.
Although first quartile, the detail of each median, third datum is lost, the quartile, maximum) simplification of and mark against the this representation same scale to create allows the data set the box plot.
The chart that caught my eye was one which plotted relative attitudes and opportunity to entrepreneurship, and it shows although we are strong (first quartile) in opportunity, education and competition we are very weak (fourth quartile) in the relative status we award to entrepreneurs, and our 'fear of failure' is very poor.
Figure 2A also reveals that the proportion of families receiving an offer of EBPI increased with family income as less than 40 percent of families in the first quartile received an EBPI offer in any year of the study period, substantially below the proportion for other three quartiles.
Compared with the first quartile, participants in the third quartile had approximately twice the odds for obesity.
The relationship does not hold for the Bahamas, Barbados, Bermuda and Luxembourg, which are in the first quartile for their IFDI stock-to-GDP ratios, but in the fourth quartile for their FDI Contribution Indexes.
First, I focus on domestic industries in the first quartile of the Salter diagram and where long-term average prices reflect the costs of these firms or the costs of foreign marginal producers who pay carbon costs.
Patients with the worst pain at baseline--WOMAC (Western Ontario and McMaster Universities index) pain scores in the fourth quartile--were twice as likely to progress as were those who entered with first quartile pain (OR 2.18, 95% CI 1.69-2.82).
Making it within the first quartile when it comes to entrepreneurship, the report found the UAE to have a relatively high level of innovative activity.