Flow chart of diagnostic assessment and basis of TB treatment initiation in 641 TB suspects presenting to a primary care clinic in Johannesburg, South Africa.
posted on 2013-06-06, 00:50authored byColleen F. Hanrahan, Katerina Selibas, Christopher B. Deery, Heather Dansey, Kate Clouse, Jean Bassett, Lesley Scott, Wendy Stevens, Ian Sanne, Annelies Van Rie
The basis of diagnosis was defined as the earliest positive diagnostic test (smear, culture, Xpert or x-ray), or an empiric diagnosis if treatment was started in absence of or prior to any positive diagnostic test. Abbreviation: TB, tuberculosis; Neg, negative; Pos, positive; Cont, contaminated; NTM, non-tuberculous mycobacteria; ND, not done.