Tuberculosis Research and Treatment / 2012 / Article / Tab 1

Clinical Study

Maintenance of Sensitivity of the T-SPOT.TB Assay after Overnight Storage of Blood Samples, Dar es Salaam, Tanzania

Table 1

Overall agreement between TB culture and T-SPOT.TB.

T-SPOT.TB
PositiveNegativeInvalid

CulturePositive6021*
Negative120

*1/66 (1.5%) of T-SPOT.TB results was invalid due to a high nil control result.