Automated Diagnosis of Hepatitis B Using Multilayer Mamdani Fuzzy Inference System

Table 1

Layer I input variables of the proposed ADHB-ML-MFIS expert system.

Sr no.	Input parameters	Ranges	Semantic sign	Reference range/cutoff value
1	AST	B/W 5–45 U/L	Normal	5–40 U/L
		B/W 40–550 U/L	Elevated values
		GT > 500	Marked elevations
3	ALT	B/W 7–55 U/L	Normal	7–55 U/L
		LT < 500	Elevated values
		GT > 500	Marked elevations

LT = less than; GT = greater than; B/W = between; U/L = unit per liter.