A study of an efficiency of handling overdispersion using poisson regression and zero inflated poisson regression

Abstract

Thalassemia is a blood related illness though descendant. Increasing number of patients suffering from thalassemia, especially among children has been reported year by year and has been identified ahead of other hereditary diseases in many parts of the world especially in Malaysia. Therefore, the increasing numbers of this illness annually, attracts the interest among the researchers to put an extra effort in order to overcome this illness. Other than that, most patients were also exposed other chronic diseases such as hemorrhagic illness, health problems, heart failure, influenza, anemia, pneumonia, acute bronchitis, asthma, acute tonsillitis, jaundice and tuberculosis. Data from patients especially among children has been successfully collected and it has been manifested in the form of statistic for analysis.