TABLE 2.

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

TST resultNo. of subjects with T-SPOT.TB result of:Total
PositiveNegative
Positive201333
Negative54303357
Total74316390
  • a Concordance, 82.80%; 95% CI, 79.0% to 87.0%. κ, 0.29; 95% CI, 0.17 to 0.41.