QuantiFERON-TB Gold testing should be targeted at higher-risk patients

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PRACTICE

QuantiFERON-TB Gold testing should be targeted at higher-risk patients

Pulmonary Tuberculosis
The QuantiFERON-TB Gold test is sometimes used for pre-employment screening

FROM THE LAB

The positive predictive value of QFT-G testing for latent tuberculosis infection is maximised when the tested patients have a sufficiently high risk of progressing to active disease

Key points, The QuantiFERON-TB Gold test is an acceptable but imperfect test for latent tuberculosis infection (LTBI), with advantages and disadvantages.   Th