TABLE 1.

Characterization of cases included in this study.

	HD	PM	NC
Plasma
N	21	30	33
Female:Male	13:8	17:13	17:16
Age (years) ± SD	56.8 ± 11.1	41.2 ± 12.9	50.9 ± 14.6
CAG repeat	43.1 ± 3.07	42.0 ± 2.93	NA
Saliva
N	20	23	38
Female:Male	11:9	10/13	22/16
Age (years) ± SD	54.5 ± 12.7	43.6 ± 14.5	48.1 ± 14.2
CAG repeat	43.9 ± 2.91	42.3 ± 11.2	NA
DNA methylation
N	10	11	18
Female:Male	6:4	6/5	12/6
Age (years) ± SD	58.2 ± 12.5	41.8 ± 10.6	55.2 ± 22.3
CAG repeat	43.5 ± 2.67	43.6 ± 2.87	NA

HD, Huntington’s disease; PM, Pre-manifest; NC, Normal controls; NA, Not applicable.