Fig. 1From: A role for cardiopulmonary exercise testing in detecting physiological changes underlying health status in Idiopathic pulmonary fibrosis: a feasibility studyConsort diagram of study participants. TLco, transfer factor; FEV1/FVC < LLN, Forced expiratory volume in 1 s/Forced vital capacity < lower limit of normal; IPF idiopathic pulmonary fibrosis; 6MWT six minute walk test; CPET cardiopulmonary exercise testingBack to article page