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. 2007 Apr 18;14(6):714–719. doi: 10.1128/CVI.00073-07

TABLE 2.

Concordance and κ statistica for T-SPOT.TB and TST (n = 390)

TST result No. of subjects with T-SPOT.TB result of:
Total
Positive Negative
Positive 20 13 33
Negative 54 303 357
Total 74 316 390
a

Concordance, 82.80%; 95% CI, 79.0% to 87.0%. κ, 0.29; 95% CI, 0.17 to 0.41.