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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)