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Fig. 2 | Respiratory Research

Fig. 2

From: Oxidative stress and Nrf2 expression in peripheral blood mononuclear cells derived from COPD patients: an observational longitudinal study

Fig. 2

Annual lung function decline in COPD and no-COPD groups after the period of follow-up. Data are expressed as mean ± SD and represent FEV1 annual variations (in ml/year and %/ year) between baseline and follow-up values. *p < 0.001 vs no-COPD. Abbreviations: COPD, chronic obstructive pulmonary disease; FEV1: Forced expiratory volume in 1st second

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