Fig 3. Metasummary: Barriers to isoniazid preventive therapy for people living with HIV.

The graphic presents all main barrier themes identified in countries with a high burden of tuberculosis and HIV, assigned to the health system component from which the barrier theme arose, considering a seven component health system framework (modification of the WHO Framework for Action, 2010). Barrier themes identified in more than or equal to ten papers are presented with an exclamation mark. Numbers in brackets display the number of supporting papers. Total number of peer-reviewed papers included with barriers to isoniazid in this review (N = 28).