COL4A1 and rheumatoid arthritis: In conclusion, our results do not confirm an association of TCF21, LPA, HHIPL1, RASD1-PEMT, MRPS6, CYP17A1-CNNM2-NT5C2, SMG6-SRR, PHACTR1, WDR12, COL4A1-COL4A2, ZHX2, PINX1, SLC17A4 2, LRIG1 and LDLR with CVD in patients with RA.