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. 2022 Jul 11;14(14):2841. doi: 10.3390/nu14142841

Figure 2.

Figure 2

Differences in age and FEV1 between individuals with and without Early COPD. Notes: (A) Proportion of individuals aged 20–29, 30–39 and 40–49 at baseline examination. (B) Differences in FEV1 between individuals with and without Early COPD. p-Value: **** p < 0.0001.