Table 2 TST diameter by IGRA results
From: Screening for tuberculosis and prediction of disease in Portuguese healthcare workers
IGRA | ||||||
|---|---|---|---|---|---|---|
TST | Negative | Positive | Total | |||
N | Row% | N | Row% | N | Col% | |
0-4 mm | 596 | 88.8 | 75 | 11.2 | 671 | 23.3 |
5-9 mm | 83 | 74.8 | 28 | 25.2 | 111 | 3.8 |
10-14 mm | 623 | 73.3 | 227 | 26.7 | 850 | 29.5 |
15-19 mm | 468 | 53.7 | 404 | 46.3 | 872 | 30.2 |
≥ 20 mm | 161 | 42.4 | 219 | 57.6 | 380 | 13.2 |
All | 1,931 | 67.0 | 953 | 33.0 | 2,884 | 100.0 |