From the results of two-tailed student’s t-tests for GSE10667 and GSE70866, the expression levels of all hub genes (COL3A1, COL1A2, OGN, COL15A1, ASPN, and MXRA5) were significantly higher in IPF tissues (Figure 5). This evidence concerns the gene MXRA5 and idiopathic pulmonary fibrosis.