From: Using IFN-gamma release assay to confirm tuberculin skin test improves the screening of latent tuberculosis infection in Italian healthcare workers
IGRA
TST
Negative
n. (%)
Positive
Total
k
p-value
25 (15.0)
-
0.092b
0.002
106 (63.5)
36 (21.6)
142 (85.0)a
All
131 (78.4)
167 (100)