Table 3.

Patients’ demographic characteristics

Sex	Age, year				Age of onset, year				Duration of disease until the study date, year
	Min	Avg	Max	SD	Min	Avg	Max	SD	Min	Avg	Max	SD
Female	38	59.83	76	11.17	33	58.06	74	11.46	1	3.06	7	1.30
Male	37	57.70	76	9.43	35	54.64	74	9.60	1	3.18	12	2.02
Total	37	58.45	76	10.02	33	55.84	74	10.31	1	3.14	12	1.79

Min, minimum; Max, maximum; Avg, average; SD, standard deviation.