# 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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Fitness status quartiles within the competitive cyclists were established through V[O.sub.2] max.
Hazard ratios (HRs) from the fully adjusted model (Adjusted Model 3) were 1.10 (95% CI: 1.05, 1.15), 1.16 (95% CI: 1.11, 1.22), and 1.11 (95% CI: 1.06, 1.16) for the participants with P[M.sub.2.5] in the second, third, and fourth quartiles, respectively.
Borrowers who resided in the top quartile of (subprime) ZIP codes in 1999 exhibited larger growth in per-capita mortgage balances.
In the following, I therefore estimate versions of Equation (1) where [GROWTH.sub.i, t] is the 5-year average growth rate of purchasing-power adjusted personal income, [X.sub.i, t] is a vector of control variables for state i in period t; [EF.sub.i,t] is EF for state i in period t; [INEQ.sub.i,t] is income inequality for state i in period t, represented by either one of the five measures or one of five corresponding vectors of three quartile dummies; EF * INEQ is an interaction; [[eta].sub.t] + [[mu].sub.i] are period and state fixed effects (FE); and e is an error term.
On univariate analysis of normal population, as the quartile of free T4 and T3 increased, the IOP tended to increase slightly.
The rate of noncardiovascular mortality was 5.8% in quartiles 1 and 2, then leapt to 14.7% in quartile 3 and 21.1% in quartile 4.
In patients with metabolic syndrome who are in the highest-risk quartile for progression to diabetes (predicted mean 3-year risk, 60%), metformin, 850 mg twice daily, reduces the absolute risk by about 20% over a 3-year period.
The top panel shows little change in the average generation level within a NYC load decile across the four quartiles of fuel price spreads.
Even further, this methodology deals solely with the cadets in the top quartiles of each event.
We first investigated the relationship between antibody responses at inclusion (divided into quartiles) and number of infections during the followup period by using binomial negative regression modeling.
Site Measurements Density Nonstationary fluctuation data (%) correction (%) Antarctica Particle number 3.4 15 Venice lagoon PM2.5 Not applied 6 Bologna Particle number Not applied 18 Lecce 2005 PM2.5 Not applied 5 Lecce 2010 Particle number 0.2 6 Maglie PM2.5 Not applied 8 Site High frequency loss correction (%) Antarctica 43 Venice lagoon 27 Bologna 30 Lecce 2005 20 Lecce 2010 23 Maglie 24 TABLE 3: Average (with standard deviation) and median (with 25th and 75th quartiles) values are reported for deposition velocities, fluxes, concentrations, and normalized deposition velocities for each site, separating PM2.5 from particle number data.

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