Table 2.

Frequency data for both gender groups on the clinical variables.

Sex	Age Group (y)	Sample (n)	Thyroid disease	Smoker	Diabetes	Hypercholesterolemia	Hypertension	Diabetes1	Hypercholesterolemia1	Hypertension1
Female	20–40	10	50.00	50.00	0.00	0.00	0.00	0.00	0.00	0.00
	40–60	101	56.44	44.55	5.94	22.77	15.84	6.93	15.84	15.84
	60–80	157	63.06	35.67	17.83	36.94	43.31	16.56	36.31	42.04
	80–90	11	27.27	18.18	0.00	27.27	27.27	0.00	27.27	27.27
Male	20–40	27	14.81	62.96	0.00	3.70	0.00	0.00	0.00	0.00
	40–60	57	19.30	50.88	1.75	21.05	10.53	1.75	15.79	10.53
	60–80	75	22.67	37.33	25.33	28.00	36.00	26.67	25.33	37.33
	80–90	4	0.00	0.00	25.00	50.00	25.00	25.00	50.00	25.00

For each clinical variables the frequency (%) was showed for both gender groups divided in four age classes (20<40, 40<60, 60<80, 80<90 yrs). The clinical variables “Diabetes, Hy-percholesterolemia, Hypertension” was included also as taking medications “1”.