Table 3. Numbers of individuals in hospital anxiety and depression (HAD) categories pre- and post-three months of choral singing.

HAD score categories	Anxiety, n			Depression, n
	Pre	Post	Difference	Pre	Post	Difference
Normal (0–7)	8	10	+2	13	17	+4
Borderline (8–10)	6	8	+2	6	2	-4
High (11–21)	6	2	-4	1	1	0
P	–	–	0.011	–	–	0.014
n: number of individuals in each category