Table 2 Prevalence of LTBI by TST and QFTGIT test
Test and Cut-off point | Number (%) |
|---|---|
TST (n = 587) | Â |
0 mm (anergy) | 282 (48.0) |
>0 mm & <5 mm | 34 (5.8%) |
≥ 5 mm & < 10 mm | 88 (15.0) |
≥ 10 mm | 183 (31.2) |
QFTGIT (n = 570) | Â |
≥ 0.35 IU/ml | 363 (63.7) |
≥ 0.1 IU/ml | 427 (74.9) |
QFTGIT &TST (n = 505) | Â |
≥ 0.35 IU/ml & ≥ 10 mm | 151(29.9) |
≥ 10 mm | 168 (33.3) |
≥ 0.35 IU/ml | 326 (64.6) |