Table 3.

Vocal Function Exercise total Voice Handicap Index (VHI) change scores.

Subject	Pre-VHI	Post-VHI	Change
F13	58	30	−28
F15	55	19	−36
F17	51	28	−23
F21	36	11	−25
F22	10	18	8
F25	27	20	−7
F27	46	30	−16
F29	37	41	4
M14	64	78	14
M16	68	62	−6
Average	45.2	33.7	−11.5
SD	17.9	21.2	16.8