Table 1.

Patient demographics

Sex	Age, years	Type	Affected Side	Duration, years	Botulinum toxin/last injections
M	44	WC	Right	25	No
M	72	WC	Right	10	Yes / 4 mo
M	56	MC	Right	21	No
M	48	WC	Right	6	No
M	62	WC	Bilateral	39	No
M	58	WC	Right	5	Yes/3 mo
M	55	WC/MC	Right	5	Yes/4 mo
M	60	WC	Right	26	Yes/3 mo
M	43	WC	Bilateral	23	Yes/6 mo
F	51	WC	Right	10	Yes/3 mo
M	57	MC	Right	17	Yes/3 mo
F	45	WC	Bilateral	23	Yes/3 years
M	54	MC	Right	19	No
F	47	WC	Right	4	Yes/3 mo
M	55	MC	Right	3	Yes/5 mo
M	57	MC	Right	5	Yes/6 mo

M, men; W, women; WC, writer's cramp; MC, musician's cramp.