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Fig. 1 | Tobacco Induced Diseases

Fig. 1

From: Smoking exposure, loss of forced expiratory volume in one second and the risk of lung cancer among patients with malignant disease who present with cardiac or pulmonary symptoms: a cross-sectional study

Fig. 1

Patient selection algorithm. 1The patient did not turn up for lung function testing (n = 2), was deemed too sick for spirometry (n = 4), or was deemed too sick to sit in the plethysmograph, but the TLC % predicted value was required for adjusting the FEV1 % predicted value in patients with restrictive lung disease (n = 11)

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