Table 1.

Demographic profile of study group (cases) and controls

Demographical variables	Subjects n = 251
	Cases n = 150	Control n = 101
Age category (years)
30–45	25	45
46–65	88	50
66–85	37	6
Sex
Female	55	23
Male	95	44
Hypertensive
No	32	44
Yes	118	26
Smokers
No	108	9
Yes	42	25
Atrial fibrillation
No	58	88
Yes	92	13
Diabetes mellitus
No	84	75
Yes	66	26
Alcohol
No	96	79
Yes	54	22