Female                49 (47.1 %) Male 55 (52.9 %) Age (mean±SD) 61.35 ± 13.34 Biomass exposure 104 (100 %) Occupational biomass exposure 31 (38.3 %) Being housewife 37 (45.7 %) Cigarette smoking 48 (46.1 %)

Table 1: Demografic properties of patients.