Table 1.

Articles yielded from the search terms

Search term	The number of articles (N)yielded
TB hair drug level	5
Isoniazid hair drug level	2
TB treatment adherence	77407
TB treatment adherence measures	50066
TB treatment exposure	3263
Isoniazid exposure	87
First-line anti-TB drug exposure	10
Monitoring TB treatment adherence	24926
Monitoring TB treatment outcomes	31074
Hair drug level and treatment outcomes	5
Isoniazid hair drug levels and Tb treatment outcomes	2
Isoniazid hair drug levels and TB treatment adherence	4
Isoniazid hair drug levels and TB treatment exposure	5
Acceptability of hair test for therapeutic drug monitoring	3
Acceptability of hair test for TB therapeutic drug monitoring	0
Total	186859