Table 1.

Sociodemographical characteristics of patients

Characteristic	Patient (n=41)	Control (n=43)	p value
Age (yr)	35.5±9.5	35.4±8.8	0.672
Gender, male/female	35/6	36/7	0.835
Smokers	27 (65.9)	34 (79.1)	0.175
Smoking (pack/day)	31.8	29.9
Body mass index (kg/m2)	27.8±5.8	26.6±3.2	0.269

Values are presented as mean±standard deviation, number only, or number (%).