Fig. 2From: Prevalence of thoracic pain in patients with chronic obstructive pulmonary disease and relationship with patient characteristics: a cross-sectional observational studyThe correlation between the severity of pain in the last week and FEV1 % pred. (panel a, n = 36); FRC % pred. (panel b, n = 33), RV % pred. (panel c, n = 34), TLC % pred. (panel d, n = 34) among patients with thoracic painBack to article page