Table 5. Performance measures of the SVM classifier based on input features.

Input features	Number	ACC (%)	SE (%)	SP (%)	PPV (%)	NPV (%)
MSCL, SDSCL	10	54.10	52.63	56.52	66.67	41.94
MSCL, SDSCL, SSCL	15	63.93	62.50	65.52	66.67	61.29
MSCL, SDSCL, NSCR	15	67.21	63.89	72.00	76.67	58.06
MSCL, SDSCL, SSCL, NSCR	20	70.49	70.00	70.97	70.00	70.97
MSCL, SDSCL, SSCL, MSCR, NSCR	25	68.85	67.74	70.00	70.00	67.74
MSCL, SDSCL, SSCL, NSCR, PSD	25	67.21	66.67	67.74	66.67	67.74
MSCL, SDSCL, SSCL, MSCR, NSCR, PSD	30	67.21	67.86	66.67	63.33	70.97

Abbreviations: ACC, accuracy; SE, sensitivity; SP, specificity.