Table 2. TST and QFT results in the cohort of nursing students trained at Second University of Naples in Italy.

TST as first level examination • positive • negative • absent to reading	1575 19 1543 13
QFT as first level examination • positive • negative	2 1 1
QFT as second level examination in TST positive students • positive • negative	19 1 18

TST Tuberculin Skin Test; QFT QuantiFERON^® TB-Gold Test.