Different CABG methods in patients with chronic obstructive pulmonary disease Mustafa Güler, MD, Kaan Kırali, MD, Mehmet E Toker, MD, Nilgün Bozbuğa, MD, Suat N Ömeroğlu, MD, Esat Akıncı, MD, Cevat Yakut, MD The Annals of Thoracic Surgery Volume 71, Issue 1, Pages 152-157 (January 2001) DOI: 10.1016/S0003-4975(00)02250-5
Fig 1 The comparison of forced expiratory volume in 1 second (FEV1) in the preoperative period and 2 months after coronary artery bypass grafting. (∗The p value of the Kruskal-Wallis test performed using the differences between preoperative and postoperative records of all groups.) The Annals of Thoracic Surgery 2001 71, 152-157DOI: (10.1016/S0003-4975(00)02250-5)