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quartile
(redirected from Quartiles)

   Also found in: Dictionary/thesaurus, Medical, Financial, Wikipedia 0.01 sec.
quartile
Astrology denoting an aspect of two heavenly bodies when their longitudes differ by 90?

quartile [′kwȯr‚tīl]
(statistics)
The value of any of the three random variables which separate the frequency of a distribution into four equal parts.


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5] exposure had a 42% increased relative risk of preeclampsia compared with women in the lowest quartile, and those in the highest quartiles of [NO.
The model found that those in the top three quartiles of idea density were seven times more likely to have asymptomatic Alzheimer's at the time of their death than those in the lowest quartile.
When subjects in the second through fourth quartiles of serum insulin concentration were compared with those in the first or lowest quartile, higher insulin levels within the normal range were associated with statistically significantly increased risk of prostate cancer.
 
 
 
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