The phrase "a marker of tb" is correct and usable in written English.
It can be used in contexts discussing indicators or signs related to tuberculosis (tb) or other subjects where "tb" is an abbreviation.
Example: "The presence of certain symptoms can serve as a marker of tb, prompting further medical evaluation."
Alternatives: "an indicator of tb" or "a sign of tb".
We evaluated the performance of QF-TB-IT as a marker of TB infection, defined as LTBI children with a known family TB contact (32 children) and active TB children (32 children) versus healthy contacts (12 children) or children with LTBI and no TB contact (22 children).
IP-10 has been suggested as a marker of TB treatment efficacy – serial samples show reductions in levels at 2 months in cured TB patients, with no reduction in non-responders [15].
A positive TST response is a marker of TB exposure and also increases the likelihood of occurrence of TB in a child with suspected pulmonary tuberculosis.
To determine whether clusterin has a role as a marker of TB or indicates more general response to antigen stimulation, we are currently attempting to find clear and simple methods in detecting these alterations for mass screening.
Adenosine deaminase activity (ADA) in pleural fluid is used as a marker of TB pleuritis and a meta-analysis conclude that although it has variable performance, it is still a useful test [ 6].
TB ® (LiPA) is a commercial line probe assay designed to rapidly detect rifampicin resistance, a marker of MDR-TB.
This strongly supports the use of rifampin resistance as a marker of MDR-TB [5].
The Xpert assay can also provide a result in 2 hours and has the additional benefit of detecting rifampin (RIF) resistance mutations, a marker of multi-drug resistant TB [ 66].
After being diagnosed with TB, patients with high TB stigma were also more likely to have been hospitalized for TB, a marker of disease severity.
Childhood TB is a marker of recent transmission in a population; moreover, children are the primary victims of a poor TB control programme [ 3].
Also, TB patients often experience inflammation-induced anaemia as a consequence of the TB disease [ 9], thus a rise in haemoglobin during TB treatment can be considered a marker of recovery.
