Fig. 1From: Transfer factor for carbon monoxide in patients with COPD and diabetes: results from the German COSYCONET cohortRelationship between KCO%pred and FEV1%pred. The regression lines refer to KCO%pred adjusted for FEV1%pred, TLC%pred, ITGV%pred, RV%pred, FEV1/FVC, packyears, age, gender, BMI, HbA1c (%) and creatinine. There was no significant difference between diabetic and non-diabetic patients (extended definition)Back to article page