# percentile

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## percentile

[per-sen´tīl]
any one of the 99 values that divide the range of a probability distribution or sample into 100 intervals of equal probability or frequency; for example, 45 per cent of a population scores below the 45th percentile.

## per·cen·tile

(per-sen'tīl),
The rank position of an individual in a serial array of data, stated in terms of what percentage of the group the individual equals or exceeds.

## per·cen·tile

(pĕr-sen'tīl)
The rank position of an individual in a serial array of data, stated in terms of what percentage of the group the individual equals or exceeds.

## percentile

One of 100 equal parts in an ordered sequence of statistical data. Thus, for instance, the 93rd percentile is the value that equals 93% of those in the series. If a value in a range of values falls in the 20th percentile, there are 19 lower and 80 higher. The method is widely used to record and check such parameters as the extent of body growth at a particular age.

## per·cen·tile

(pĕr-sen'tīl)
Rank position of an individual in a serial array of data, stated in terms of what percentage of the group the individual equals or exceeds.
References in periodicals archive ?
TABLE 3: A Comparison of the Mathematical and Volumetric Methods for the Determination of the 5th, 50th, and 95th Percentile Observed Maximum Workspace of the Male and Female Samples No.
Together, the results for the 95th and 99th percentiles suggest that the normality assumption made by all of the approaches, except the historical simulations, is more reasonable for the 95th percentile than for the 99th percentile.
Five views of the data are possible: the range of TATs (from the minimum to the 95th percentile time), average times, mode TATs, percentages of goal, and average lateness.
* Hypertension was defined as average SBP or DBP greater than or equal to 95th percentile for gender, age and height on at least three separate occasions.
The odds of having urinary DCP concentrations above the 95th percentile in NHANES 2003-2004 and 2005-2006 were significantly associated with type of housing (single vs.
Children with systolic BP above the 95th percentile had a more than 4-fold increase in coronary artery disease as adults compared with children below the 95th percentile (SOR: B, retrospective study).
Study participants were women who underwent a clinical screening at 36-38 weeks' gestation indicating an estimated fetal weight above the 90th percentile, and who then underwent sonography indicating an estimated fetal weight above the 95th percentile. Those randomized to induction were induced within 3 days.
(To calculate your own child's BMI, you can use the following link: http://apps.nccd.cdc.gov/dnpabmi/) A BMI greater than the 85th percentile compared to other American children of the same age is defined as overweight, and obesity is defined as a BMI greater than the 95th percentile. Severe obesity is defined as a BMI greater than the 99th percentile.
Obesity, defined as a body mass index at the 95th percentile or higher for age and gender, rose from 11% in 1999 to 12% in 2009, a significant increase.
The multiethnic group of 86 females and 70 males all had body mass indexes (BMIs) greater than the 95th percentile, but did not have diabetes, abnormal thyroid function, or liver disease due to hepatitis or Wilson's disease.

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