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AGREEMENT BETWEEN T-SPOT AND QFT-GIT
| QFT-GIT Positive | QFT-GIT Negative | Total | |
| T-Spot positive | 14 (0.8%) | 20 (1.1%) | 34 (1.9%) |
| T-Spot negative | 22 (1.2%) | 1,725 (96.9%) | 1,747 (98.1%) |
| Total | 36 (2%) | 1,745 (98%) | 1,781 |
Definition of abbreviations: QFT-GIT = QuantiFERON-TB Gold In-Tube test; T-Spot = T-SPOT.TB test.
% agreement = 97.6%.
Κ (95% confidence interval) = 0.39 (0.24–0.54).
