Table 1.

Demographic and clinical characteristics of the 205 HD patients.

	Age of Motor Symptom Onset (Years)		CAG Repeats		Age at Diagnosis (Years)		DD (Years)		Duration (Years)
	Mean (SD)	Range	Mean (SD)	Range	Mean (SD)	Range	Mean (SD)	Range	Mean (SD)	Range
Total (n = 205)	41.8 (10.0)	17–69	45.2 (4.5)	38–67	45.7 (11.1)	18–78	4.3 (3.8)	0–20	5.2 (3.9)	0–20
Male (n = 84)	42.1 (10.5)	18–67	45.2 (4.7)	38–67	46.6 (11.6)	22–78	4.7 (4.1)	0–18	5.5 (4.1)	0–18
Female (n = 121)	41.6 (9.6)	17–69	45.2 (4.4)	38–61	45.2 (10.7)	18–74	4.0 (3.6)	0–20	5.1 (3.7)	0–20
Juvenile HD (n = 4)	18.1 (1.40)	17–20	53.5 (12.40)	43–67	22.10 (3.1)	18–25	4.0 (2.0)	1–5	4.50 (1.0)	3–5
Adult HD (n = 193)	41.4 (8.6)	20–58	45.1 (4.2)	38–61	45.3 (9.80)	19–70	4.1 (3.6)	0–19	5.2 (3.7)	0–19
Elderly-onset HD (n = 8)	63.5 (3.1)	61–69	43.0 (1.2)	42–45	68.2 (5.4)	62–78	7.4 (7.3)	1–20	7.4 (7.3)	1–20
Positive family history (n = 162)	40.1 (9.4) a	17–67	45.7 (4.6) b	38–67	43.6 (10.1) d	18–69	3.8 (3.4) e	0–19	4.8 (3.5) f	0–19
Paternal inheritance (n = 86)	38.9 (9.7)	17–67	46.4 (5.2)	39–67	42.2 (10.2)	18–69	3.3 (2.8)	0–12	4.38 (2.9)	0–15
Maternal inheritance (n = 76)	41.4 (9.0)	19–62	44.9 (3.8)	38–57	45.1 (9.8)	19–69	4.4 (4.0)	0–19	5.2 (4.0)	0–19
Negative family history (n = 43)	48.4 (9.4) a	28–69	43.2 (3.3) b	38–53	53.9 (10.7) d	31–78	5.8 (4.8) e	0–20	7.0 (4.8) f	1–20
Motor (n = 188)	41.4 (9.7)	17–67	45.2 (4.5) c	38–67	45.5 (10.8)	18–78	4.2 (3.7)	0–19	5.2 (3.8)	0–19
Cognitive (n = 5)	49.6 (7.5)	42–62	43.4 (1.1) c	42–45	50.1 (7.2)	42–62	3.8 (1.4)	2–6	3.7 (1.4)	2–6
Psychiatric (n = 12)	45.6 (13.5)	25–69	45.8 (5.8)	40–57	47.8 (15.3)	19–73	5.9 (6.0)	0–20	6.9 (5.4)	0–20

a–f: statistically significant was found between the groups (p < 0.05). DD: diagnostic delay; SD: standard deviation.