Mutation Analysis of HTRA2 Gene in Chinese Familial Essential Tremor and Familial Parkinson’s Disease

Table 1

Demographics of participants.

Details	FET	FPD	ET-PD	Control
Total	101	105	15	100
Age (range, value)	61.24 ± 12.62 (28–90, 0.12)	59.28 ± 11.21 (36–84, 0.86)	67.80 ± 8.65 (56–79, NA)	59.06 ± 6.21 (49–74, NA)
Male/female, value	51/50, 0.52	53/52, 0.52	12/3, N/A	46/54, N/A

N/A: not applicable; data are mean ± SD; data are compared with control; FPD: familial PD; FET: familial ET; ET-PD: ET coexisting with PD.