Fig. 1From: A retrospective study of long-term treatment outcomes for reduced vocal intensity in hypokinetic dysarthriaMean minimum intensity (in dB) levels across the three speaking condition at four measurement timeframes: pre-treatment (n = 78), post-treatment (n = 78), Follow-up 1 @ 6-months (n = 55), and Follow-up 2 @ 12-months (n = 30)Back to article page