Table 2.

Demographic Characteristics of the Study Population

Reference	Subjects (n)		Age (yr)		Male Gender (%)
	AFD Patients	Control subjects	AFD patients	Control subjects	AFD patients	Control subjects
[15]	35	20	44 ± 17	46 ± 16	40	55
[16]	17	70	48 ± 18	38 ± 15	47	48
[18]	72	76	42 ± 12	49 ± 15	18	50
[24]	25	21	45 ± 15	38 ± 18	24	38
[20]	44	22	36 ± 14	34 ± 10	32	36
[22]	21	70	50 ± 17	48 ± 17	95	64
[25]	63	63	39 ± 16* 54 ± 11**	54 ± 11	43	46
[26]	44	67	39 ± 16	46	39	45
[23]	6	21	47 ± 8	41 ± 16	67	47
[27]	31	23	41 ± 12	42 ± 15	48	48
[14]	20	20	41 ± 15	41 ± 7	60	50
[17]	47	17	46 ± 14	44 ± 13	30	47
[19]	38	8	45 ± 14	40 ± 14	37	63
[21]	14	7	34 ± 12	35 ± 3	0	0

Values are expressed as mean ± standard deviation or as number (percentage) of subjects. *Patients without and **patients with left ventricular hypertrophy