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2017 ; 36
(1
): 29-38
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A computer-aided diagnostic system for kidney disease
#MMPMID28392995
Jahantigh FF
; Malmir B
; Avilaq BA
Kidney Res Clin Pract
2017[Mar]; 36
(1
): 29-38
PMID28392995
show ga
BACKGROUND: Disease diagnosis is complicated since patients may demonstrate
similar symptoms but physician may diagnose different diseases. There are a few
number of investigations aimed to create a fuzzy expert system, as a computer
aided system for disease diagnosis. METHODS: In this research, a cross-sectional
descriptive study conducted in a kidney clinic in Tehran, Iran in 2012. Medical
diagnosis fuzzy rules applied, and a set of symptoms related to the set of
considered diseases defined. The input case to be diagnosed defined by assigning
a fuzzy value to each symptom and then three physicians asked about each
suspected diseases. Then comments of those three physicians summarized for each
disease. The fuzzy inference applied to obtain a decision fuzzy set for each
disease, and crisp decision values attained to determine the certainty of
existence for each disease. RESULTS: Results indicated that, in the diagnosis of
seven cases of kidney disease by examining 21 indicators using fuzzy expert
system, kidney stone disease with 63% certainty was the most probable, renal
tubular was at the lowest level with 15%, and other kidney diseases were at the
other levels. The most remarkable finding of this study was that results of
kidney disease diagnosis (e.g., kidney stone) via fuzzy expert system were fully
compatible with those of kidney physicians. CONCLUSION: The proposed fuzzy expert
system is a valid, reliable, and flexible instrument to diagnose several typical
input cases. The developed system decreases the effort of initial physical
checking and manual feeding of input symptoms.