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.