Figure legend:
Figure 1. Lung function at 12 years of age before and after bronchodilator inhalation in children born very preterm with or without a previous diagnosis of BPD, and children born at term. Data is presented as individual values and horizontal lines are median of % of predicted values for FEV1 (A), FEV1/FVC (B), FEF25-75 (C), R5 (D), DLCO (E) and LCI2.5 (F). The dotted line represents the lower limit of normal in A, B, C and E, and upper limit of normal in D and F. *p<0.05, **p<0.01 and ***p<0.001.