that enters the skin cannot be measured. According to a 1980 paper, because it is not possible to control precisely the amount of tuberculin used in the tine test, a positive test should be verified using the Mantoux test.

Contrary to this, however, studies have shown that the tine test can give results that correlate well to the Mantoux test. If a minor reaction is considered doubtful, the OT test is less accurate and may fail to detect TB, producing a false negative. If all doubtful indications