Generalized Weibull Pareto Distribution To Analyze The Association Of Estrogen And Progesterone Hormone With Mammographic Density Phenotypes.
Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 7
Abstract
A Generalized Weibull-Pareto Distribution is used to analyze the association of estrogen and progesterone hormone with mammographic density phenotypes in premenopausal women. We know that these are the key factor in development of breast cancer in women. The percent mammographic density and absolute mammographic density was obtained from digitized mammograms taken on a scheduled day of the menstrual cycle (day 7-12) among 202 healthy, premenopausal women (Energy Balance and Breast Cancer Aspects StudyI). In this study four parameter life model called Generalized Weibull-Pareto Distribution (GWPD) was proposed using exponentiated distribution. Some properties of the distribution have been discussed including survival, hazard, moments and moments generating function. The proposed distribution was applied to study the behavior of estrogen and progesterone and their association with mammographic density and their survival and hazard function was found and this distribution was found to be the best fit.
Authors and Affiliations
Sheeja K, Dr. S. Lakshmi
Keywords
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