TABLE 1.

Demographics and co-morbidities.

Demographics	EF	Control	p-value
N	60	60
Age	35.2 (11.9)	36.6 (13.6)	0.546 a
Sex (f/m)	33/27 (55%/45%)	32/28 (53%/47%)	0.855 b
Height (m)	1.73 (0.08)	1.71 (0.10)	0.383 a
Weight (kg)	72.3 (17.0)	70.6 (14.5)	0.537 a
BMI (kg/m2)	24.1 (4.9)	23.8 (3.4)	0.755 a
Smokers	25 (41.7%)	19 (31.7%)	0.256 b
-Number of cigarettes/day	10.6 (7.7)	12.0 (7.8)	0.582 a
Co-Morbidities, overall	16 (26.7%)	6 (10.0%)	0.018 b
-Hypertension	4 (6.7%)	0 (0%)
-Hashimoto’s thyroiditis	1 (1.7%)	2 (3.3%)
-Osteoporosis	2 (3.3%)	0 (0%)
-Hypothyroidism/Thyroidectomy	2 (3.3%)	0 (0%)
-Hyperuricemia	0 (0%)	1 (1.7%)
-Myoma uteri/Uterine polyp	1 (1.7%)	1 (1.7%)
-Allergic rhinitis	1 (1.7%)	0 (0%)
-Chronic sinusitis	1 (1.7%)	0 (0%)
-Hip osteoarthritis	1 (1.7%)	0 (0%)
-Dyslipidemia	0 (0%)	1 (1.7%)
-Episodes of headache	0 (0%)	1 (1.7%)
-Gastroesophageal reflux disease	1 (1.7%)	0 (0%)
-Nephrolithiasis	1 (1.7%)	0 (0%)
-Psoriasis	1 (1.7%)	0 (0%)

Data are n (%), mean (SD).

^aStudent’s t-test.

^bChi-Square test.