Table 3. Voice markers pre- and post-therapy.

	Intragroup		G [min;max]	R [min;max]	B [min;max]	A [min;max]	S [min;max]	I [min;max]
EG		initial	2 [1;3]	1 [1;2]	1 [1;3]	1 [0;2]	0 [0;1]	1 [1;2]
		final	1 [1;3]	1 [0;1]	0 [0;3]	0 [0;2]	0 [0;0]	1 [0;1]
		p -value	0.157	0.102	0.059*	0.102	0.317	0.157
CG		initial	1 [1;3]	1 [1;2]	1 [0;2]	1 [0;3]	0 [0;1]	1 [1;2]
		final	1 [1;2]	1 [0;1]	0 [0;1]	0 [0;2]	0 [0;1]	1 [0;1]
		p -value	0.157	0.317	0.180	0.180	1.000	0.157
	Intergroup p-valu e	initial	0.650	0.513	0.178	0.914	1.000	1.000
		final	0.881	0.513	0.881	0.606	0.317	1.000

Abbreviations: A, asthenia; B, breathiness; CG, control group; EG, experimental group; G, grade of change; I, instability; R, roughness; S, strain.

Note: *Tendency to be statistically significant.