Dysphonic Voice Pattern Analysis of Patients in Parkinson’s Disease Using Minimum Interclass Probability Risk Feature Selection and Bagging Ensemble Learning Methods

Table 1

Pathological stages of 23 patients with Parkinson’s disease rated by the modified Hoehn and Yahr (MHAY) scale.

MHAY stage	Disease description	Number of patients
1	Minimal functional involvement	3
1.5	Unilateral involvement	3
2	Bilateral involvement	5
2.5	Mild bilateral disease	7
3	Mild to moderate bilateral disease	4
4	Severe functional disability	1