Development of a Gastric Cancer Diagnostic Support System with a Pattern Recognition Method Using a Hyperspectral Camera

Table 4

Effect of an increase in the number of features.

Wavelength	Optimum parameter	Rate of discrimination (%)	Sensitivity (%)	Specificity (%)	Youden index
770 nm	1/4	85.5	72.2	98.8	0.710
770 nm, 675 nm	1/4	86.4	74.9	97.9	0.729