Mantoux |
Score grade |
LTBI diagnosis |
Final result |
n (%) |
response (mm) |
|
|
|
|
0 |
|
I |
Negative(no reaction) |
Normal |
170 (96.04%) |
1 |
- < 5 |
II |
Normal (reactive) |
Normal |
6 (3.38%) |
|
|
|
|
|
|
5 |
- < 10 |
III |
Borderline |
Normal |
1 (0.05%) |
10 - < 15 |
IV |
Positive |
Abnormal |
0 (0.00%) |
15 - < 20 |
V |
Highly positive |
Abnormal |
0 (0.00%) |
> 20 |
VI |
Definite |
Abnormal |
0 (0.00%) |
Excluded |
- |
Cannot be judged |
- |
3 (1.66%) |
Modified ‘cut-off’ point value of TST induration was more than 10 mm, score (-)=no
score for excluded case (due to missed follow-up or result reading after 5days),
mm=millimetre induration |