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Fig. 1 | BMC Pulmonary Medicine

Fig. 1

From: Ischemic heart disease among subjects with and without chronic obstructive pulmonary disease – ECG-findings in a population-based cohort study

Fig. 1

Ischemic heart disease categorized as (a) Self-reported IHD and (b) Ischemic ECG changes according to Minnesota coding categorized as probable Whitehall criteria and (c) Possible Whitehall criteria among subjects with normal lung function (NLF), COPD GOLD 1, 2 and 3–4, with 95 % confidence intervals. Significance is shown with **p ≤ 0.01 (NLF compared with GOLD 1, 2 and 3–4, respectively). Observe that a, b and c have different scales on the y-axis

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BMC Pulmonary Medicine

ISSN: 1471-2466

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