TABLE 4.

AGREEMENT BETWEEN QFT-GIT AND TST

	TST Positive*	TST Negative	Total
QFT-GIT positive	11 (0.6%)	25 (1.4%)	36 (2%)
QFT-GIT negative	37 (2.1%)	1,708 (95.9%)	1,745 (98%)
Total	48 (2.7%)	1,733 (97.3%)	1,781

Definition of abbreviations: QFT-GIT = QuantiFERON-TB Gold In-Tube test; TST = tuberculin skin test.

^*TST positive defined by risk stratified interpretation (30).

% agreement = 96.5%.

Κ (95% confidence interval) = 0.24 (0.12–0.37).