Figure 1
From: IGRA tests perform similarly to TST but cause no adverse reactions: pediatric experience in Finland
The outline of the study design. The (*) means that immunoconversion was observed in one patient. In this case the Ly-TbSpot, the Mantoux test and the B-TbIFNγ were done and in August and repeated in December, the two were negative and the B-TbIFNγ was once borderline but the repeated B-TbIFNγ test and the Mantoux turned positive in February (for more details see Table 3).