CD40LG and Lyme disease: The IDEIA Lyme Neuroborreliosis test and the VIDAS Lyme IgG test had a sensitivity of 88 % and 86 %, respectively, whereas a sensitivity of 100 % was achieved by the recomBead Borrelia IgM and IgG test, and the difference between the recomBead test and the other two assays was statistically significant in the LNB group.