Table 4. Declared use of molecular assays among the survey respondents.a.
| Test used | Total | Income level of the countries (World Bank classification) | p | |||
|---|---|---|---|---|---|---|
| High | Upper middle | Lower middle | Low | |||
| Xpert MTB/RIF | 193 (46.73) | 52 (35.86) | 55 (41.98) | 50 (55.56) | 36 (76.60) | < 0.00001 |
| Other molecular assays | 220 (53.27) | 92 (63.45) | 76 (58.02) | 41 (45.56) | 11 (23.40) | |
| Total | 413 | 145 | 131 | 90 | 47 | |
Xpert MTB/RIF: rapid molecular assay for the identification of Mycobacterium tuberculosis and the detection of rifampin resistance. aValues expressed as n (%), except where otherwise indicated.