Table 1.

Comorbidities

	<70 (N=103)	>70 (N=77)	P value
High blood pressure	26 (25.2%)	36 (46.8%)	0.020
Diabetes Mellitus I	7 (6.9%)	1 (1.3%)	0.740
Diabetes Mellitus II	9 (8.7%)	13 (16.9%)	0.780
Smoker	52 (50.2%)	15 (19.5%)	0.001
Former smoker	22 (21.4%)	35 (45.5%)	0.001
Chronic obstructive pulmonary disease	8 (7.8%)	14 (18.2%)	0.031
Ischemic heart disease	13 (12.6%)	13 (16.9%)	0.275
Others	53 (51.5%)	49 (63.6%)	0.069