Capacity Evaluation of Diagnostic Tests For COVID-19 Using Multicriteria Decision-Making Techniques

Table 1

Linguistic fuzzy scale.

Linguistic scale for evaluation	Triangular fuzzy scale	Importance ratings of criteria
VH	(0.75, 1, 1)	No symptom-window period, early stage of infection, active phase of infection, late of recurrent stage of infection, cost, accessibility, false positivity, false negativity
H	(0.50, 0.75, 1)	Sensitivity, specificity
M	(0.25, 0.50, 0.75)	Past infection, usability, equipment, education
L	(0, 0.25, 0.50)	Recovery stage of infection
VL	(0, 0, 0.25)

VH: very high; H: high; M: medium; L: low; VL: very low.