Changes in the symptom frequency of rapid eye movement sleep behavior disorder according to disease duration

Table 1 Demographic data of the participants

	All	Male	Female	p
N	50	41	9
BMI	22.4 ± 3.20	22.7 ± 3.09	21.0 ± 3.33	0.608
Age at RBD onset	62.2 ± 9.13	63.2 ± 6.67	57.5 ± 15.1	0.320
RBD duration	6.0 ± 4.9	6.5 ± 5.0	3.9 ± 3.7	0.587
Definite/Probable RBD	31/19	24/17	7/2	0.282