[Diagnostic significance of tuberculin skin test in BCG vaccinated population].

UNLABELLED: There is some data on the influence of the BCG vaccination on the TST (tuberculin skin test) but most of them are focused on the population vaccinated only one time. The aim of the study was to describe the relation between vaccination scheme and TST in polish population.

MATERIAL AND

METHODS

TST was performed in 114 patient with active, culture confirmed tuberculosis and 100 medical student at the beginning of the study as a control group.

RESULTS

In our investigation there was no statistically important differences of the TST size between Tb patients and control group.

CONCLUSION

In polish population it is not possible to estimate the cutoff value of TST size that could be used to differentiate between TB infection and reaction to vaccination.