Volume 12, Number 9—September 2006
Research
Risk for Tuberculosis among Children
Hiroshi Nakaoka*, Lovett Lawson*†, S. Bertel Squire*, Brian Coulter*, Pernille Ravn‡, Inger Brock‡, C. Anthony Hart§, and Luis E. Cuevas*
Table 2
Agreement between TST and QFT-IT results in children at high risk and low risk for tuberculosis (TB)*
| TST | QFT-IT |
|
|---|---|---|
| Positive | Negative | |
| Low-risk group | ||
| Positive | 6 | 12 |
| Intermediate | 2 | 13 |
| Negative | 2 | 78 |
| High-risk group | ||
| Positive | 34 | 2 |
| Intermediate | 9 | 0 |
| Negative | 6 | 15 |
*TST, tuberculin skin test; QFT-IT, QuantiFERON Gold in Tube test; low risk, children in contact with adults with smear-negative TB and community controls; high risk, children in contact with smear-positive adults. TST result was negative if <5 mm, intermediate if 5–9 mm, and positive if >10 mm. TST and QFN-IT test results were missing in 13 children in the low-risk group and 12 children in the high-risk group
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