. 2017 Dec 25;9(12):5974–5984. doi: 10.19082/5974

Table 3.

Detailed description of input variables, fuzzy linguistic sets, and membership functions

Type	No.	Variable name	Linguistic set	Actual Range of Variable	Type of Membership Function
Input	1	Sweat test	Low	<60	Sigmoidal
	1	Sweat test	High	>60	Sigmoidal
	2	PH	Low	<7.35	Gaussian
			Normal	>7.35 and <7.45	Gaussian
			High	>7.45	Gaussian
	3	BMI	Underweight	<18	Gaussian
			Healthy	>18 and <25	Gaussian
			Overweight	>25	Gaussian
	4	Sputum	Negative	1	Singleton
	4	Sputum	Positive	2	Singleton
	5	Dyspnea	Negative	1	Singleton
	5	Dyspnea	Positive	2	Singleton
	6	Cough	Negative	1	Singleton
	6	Cough	Positive	2	Singleton
	7	Pseudomonas	Negative	1	Singleton
	7	Pseudomonas	Positive	2	Singleton
	8	Staphylococcus	Negative	1	Singleton
	8	Staphylococcus	Positive	2	Singleton
	9	Family history	Negative	1	Singleton
	9	Family history	Positive	2	Singleton
	10	Abnormal stool	Negative	1	Singleton
	10	Abnormal stool	Positive	2	Singleton
Output	1	CF diagnosis	Non-CF	1	Singleton
Output	1	CF diagnosis	CF	2	Singleton