Totally, 61 of 117 TB patients, 28 of 45 LTBI and 2 of 67 HC had greater IgG values than the cut-off values, whereas only 23 of 117 TB patients, 5 of 45 LTBI and 2 of 67 HC had greater IgM value than the cut-off values (Figure 4). The gene discussed is CD40LG; the disease is tuberculosis.