Tania Ahmed Shakoori1,*, Muhammad Saqib Saeed2, Asif Hanif2, Saima Mukhtar3 and Ayesha Ghauri4
...s of FEV1/FVC<0.70 on spirometry. Frequent exacerbator’s were defined as patients experiencing 2 or more exacerbation episodes per year, which merited visited to the hospital. Average number of hospital visits for exacerbations per year, smoking history, family history of smoking related chronic lung disease in first degree relatives and presence of comorbidities were recorded from patient history and medical records. Body mass index was calculated an...