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Patients and SLPs often agreed in direction of voice change across therapy. Subglottal pressure did not change systematically across therapy. VHI had decreased and VRPmax increased after therapy, although not to normal values. Increased VRPmax for individuals was mainly due to extended capacity in the low intensities; high intensities did not change noticeably. Changes tended to occur after the mid-therapy session, suggesting that the therapy should not be shortened. The results and experiences from the assessments are discussed in terms of the use of phonetograms as a tool in the voice clinic and for voice therapy outcome evaluation.

No abstract