Table 3.

VRQOL total scores.

Comparison		Δ	P value	R 2
Overall cohort (weeks compared)	12–BL	−1.9	0.423	0.096
	24–12	0.9	0.738	0.256
	24–BL	−0.1	0.984	0.284
Singing 1st vs. singing 2nd	Δ from start to end intervention	0.4	0.839	0.355
	Δ final visit vs. end intervention	−3.6	0.099	0.124