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Table 5 Agreement between Ly-TbSpot, B-TbIFNγ and the TST

From: IGRA tests perform similarly to TST but cause no adverse reactions: pediatric experience in Finland

Test pair   n Agreementpos/neg Proportions of agreement (95% CI) κ (95% CI)
Ly-TbSpot B-TbIFNγ 27 11/13 0.89 (0.70 – 0.97) 0.89 (0.77 – 1.00)
Ly-TbSpot TST 62 16/39 0.89 (0.77 – 0.95) 0.76 (0.59 – 0.92)
B-TbIFNγ TST 43 11/28 0.90 (0.77 – 0.97) 0.86 (0.72 – 1.00)