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. Author manuscript; available in PMC: 2018 Jul 17.

Published in final edited form as: J Commun Disord. 2017 Oct 7;70:1–11. doi: 10.1016/j.jcomdis.2017.10.001

Table 1.

Demographic data of all participants.

Participant pair	Sex	Age (CT^a)	Age (PD^b)	Years post-Dx	VHI score^c
01	M	64	66	25	83
02	F	66	66	16	34
03	M	71	71	11	49
04	F	74	72	19	56
05	F	55	53	12	34
06	F	64	65	14	51
07	F	71	72	19	48
08	M	67	69	9	42

Notes.

^a

CT = Control group.

^b

PD = Parkinson’s Disease group.

^c

VHI = Voice Handicap Index for the PD participants.