Table 1 Frequency of psychiatric disorders (DSM-IV) in a group of patients with spasmodic dysphonia (n = 48) and vocal fold paralysis (n = 27)

DSM-IV diagnosis	SD current (n (%))	VFP current (n (%))	p Value	SD lifetime (n (%))	VFP lifetime (n (%))	p Value
Mood disorders (total)	7 (14.6)	1 (3.7)	NS	17 (35.4)	6 (22.2)	NS
Major depressive disorder—single episode	1 (2.1)	1 (3.7)	NS	12 (25)	5 (18.5)	NS
Dysthymic disorder	5 (10.4)	0 (0.0)	NS	5 (10.4)	0 (0.0)	NS
Major depressive disorder—recurrent	1 (2.1)	0 (0.0)	NS	2 (4.2)	1 (3.7)	NS
Anxiety disorders (total)	6 (12.5)	2 (7.4)	NS	16 (33.3)	8 (29.6)	NS
Panic disorder with or without agoraphobia	1 (2.7)	1 (3.7)	NS	5 (10.4)	5 (18.5)	NS
Agoraphobia without history of panic disorder	2 (4.2)	0 (0.0)	NS	2 (4.2)	1 (3.7)	NS
Social phobia	4 (8.3)	1 (3.7)	NS	12 (25)	4 (14.8)	NS
General anxiety disorder	1 (2.1)	0 (0.0)	NS	1 (2.1)	0 (0.0)	NS
Alcohol and other substance dependence	2 (4.2)	1 (3.7)	NS	4 (8.3)	2 (7.4)	NS
Adjustment disorders	8 (16.7)	4 (14.8)	NS	13 (27.1)	7 (25.9)	NS
Other	0 (0.0)	0 (0.0)	NS	2 (4.2)	0 (0.0)	NS
No diagnosis	28 (58.3)	22 (81.5)	0.041	20 (41.7)	15 (55.6)	NS