Monitoring the Outcome of Phonosurgery and Vocal Exercises with Established and New Diagnostic Tools

Figure 2

Subjective vocal parameters: (a) R, (b) B, (c) H, (d) VHI-12, and (e) VHIs before treatment (light grey, left columns) and after treatment (dark grey, right columns). The abscissae show the number of patients (n), and the ordinates represent the scales of the RBH system and VHIs system (0–3) as well as the VHI-12 score.

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