A Novel Fuzzy Logic-Based Medical Expert System for Diagnosis of Chronic Kidney Disease

Table 1

Parameters of nephron functionality.

Linguistic labels	Sample size	Mean	σ	α	tα, n −1	Zα=	Lower limit	Unilateral lower limit	Unilateral upper limit	Upper limit
Safe-zone	36	0.71	0.14	0.1		1.65	0.478	0.538	0.548	1.00
Moderately risky	30	0.40	0.05	0.1	2.045		0.3	0.37	0.42	0.5
Very-risky	14	0.23	0.06	0.1	2.160		−1	0.1	0.28	0.35