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. 2022 Mar 21;8(1):00072-2022. doi: 10.1183/23120541.00072-2022

FIGURE 4.

FIGURE 4

Lung function trajectories (forced expiratory volume in 1 s (FEV1)/forced vital capacity (FVC)) from 6 to 22 years of follow-up in the Raine participants with two or more spirometry measurements (n=1512). The dashed lines represent the 95% confidence intervals.