Abstract
Hepatitis B is an infection of the liver by the hepatitis B virus. According to Nigerian treatment guidelines, it is estimated that about 23 million people in Nigeria are currently affected with the disease. It is a key world-wide health problem. This paper is necessitated with the need to develop a fuzzy logic-based model for proper diagnosis of the virus hepatitis B using blood tests. An extensive interview was conducted with a licenced medical personnel at the federal polytechnic Ile Oluji medical centre located at Ondo state, Nigeria. A fuzzy logic-based system is untaken which is used to simulate the diagnosis of hepatitis B in humans using 3-turple record which are HBsAg (Hepatitis B surface antigen), anti-HBs or HBsAb (Hepatitis B surface antibody) and anti-HBc or HBcAb (Hepatitis B core antibody). Triangular membership function were used to fuzzify both inputs and outputs while the fuzzy inference engine was used to develop the rules using MATLAB fuzzy logic toolbox software. The model will help in proper diagnosis of the virus and steps to be taken for treatment. ACM CCS (2012) Classification : 1. Theory of computation → Logic → Modal and temporal logics Key Words : Fuzzy logic; diagnosis; hepatitis b; DOI : 10.7176/JIEA/8-1-02
Highlights
Introduction According toHep (Hepatitis B foundation, 2018), hepatitis B virus (HBV) is a highly contagious viral infection that can cause liver damage
The HBsAg (Hepatitis B surface antigen) is defined as either: less than 0.01%, between 0.01% and 0.05% and greater than 0.05%; the anti-HBs or HBsAb (Hepatitis B surface antibody) is defined as either: less than 0.05%, between 0.05% and 0.12% and greater than 0.12% while the anti-HBc or HBcAb (Hepatitis B core antibody) was classified as either positive, negative and indeterminate
Along with identifying the variables connected with the test results, the pattern of distribution of the variables was used in picking the best membership function which will be used in plotting the labels
Summary
Hep (Hepatitis B foundation, 2018), hepatitis B virus (HBV) is a highly contagious viral infection that can cause liver damage. It is an infection of the liver and can cause scarring of the organ, liver failure, and cancer. Acute hepatitis B will resolve on its own without serious complications in the majority of newly infected teens and adults When this occurs, people are no longer contagious and are immune to further HBV infections. About two-thirds of people with chronic HBV infection are chronic carriers These infected www.iiste.org individuals do not initially develop the symptoms even if they house the virus and can transmit them. The remaining one third develop "active" hepatitis, a disease of the liver that can be very serious [3]
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