The Clinical Utility of QuantiFERON in the Diagnosis of Active Tuberculosis
The Clinical Utility of QuantiFERON in the Diagnosis of Active Tuberculosis
The investigators will evaluate the usefulness of QuantiFERON-TB Gold in-tube (QFT) in the
 diagnosis of active tuberculosis in young adults group, highly clinically suspected
 tuberculosis.
Investigators will enroll prospectively all clinically and radiologically suspected
 tuberculosis patients from 20 to 29 years old who visited the Armed Forces Capital Hospital.
 Investigators will perform QFT and tuberculin skin test. Diagnosis of tuberculosis will be
 made by World Health Organization guideline and the physician will not know the
 QuantiFERON-TB Gold in-tube results before the diagnosis and anti-tuberculosis medication.
 Investigators will evaluate the sensitivity and specificity of QuantiFERON-TB Gold in-tube in
 the diagnosis of active tuberculosis among young adults.
Inclusion Criteria:

 -  All clinically and radiologically suspected TB patients from 20 to 29 years old who
 visited the Armed Forces Capital Hospital

 Exclusion Criteria:

 -  Soldiers who do not agree with study protocol