Risk Relationship of Cataract and Epilation Risk Relationship of Cataract and Epilation Risk Relationship of Cataract and Epilation Risk Relationship of Cataract and Epilation on Radiation Dose and Smoking Habit on Radiation Dose and Smoking Habit on Radiation Dose and Smoking Habit on Radiation Dose and Smoking Habit
2006
Abstract Abstract Abstract An analytic approach that provides explicit estimates of risk on cataract and epilation data is evaluated by reasonableness of conceivable relative risk models regarding a simple, odds, logistic or Gompertz regression method, assuming a binomial distribution. In these analyses, we apply relative risk models with two thresholds between epilators and nonepilators from a highly characteristic lesion of which radiation cataract does not occur around 2 gray for a single acute exposure. The risk models are fitted to the data assuming 10 as a constant relative biological effectiveness of neutron. The likelihood of observing the entire data set in these models fitted is evaluated by an individual binary-response array. Estimation of a threshold with or without severe epilation and the 100(1 - α )% confidence limits are derived from the maximum likelihood approach. The relative risk model with two thresholds can be expressed as a formula with structure of Background × RR, where RR includes threshold models with or without epilation. The radiosensitivity of ionizing radiation to cataracts has been examined for the relationship between epilators and nonepilators.
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