Fig. 1From: Mendelian randomization analysis suggests no causal influence of gastroesophageal reflux disease on the susceptibility and prognosis of idiopathic pulmonary fibrosisStudy design. a Univariable MR. b Multivariable MR. Abbreviations: MR: Mendelian randomization; IVW: inverse variance weighted; GERD: gastroesophageal reflux disease; FVC: forced vital capacity; DLco: diffusing capacity of the lungs for carbon monoxide; TFS: transplantation-free survival; SNP: single nucleotide polymorphismBack to article page