Table 2.
TB infection care cascade by TPT cohort
| Total (N=5837) N (%) |
HCMC (N=4840) N (%) |
Hai Phong (N=997) N (%) |
|
| IGRA result and TPT | |||
| Indeterminate | 45 (0.8) | 37 (0.8) | 8 (0.8) |
| Negative | 4000 (68.5) | 3200 (66.1) | 800 (80.2) |
| Positive | 1791 (30.7) | 1603 (33.1) | 189 (19.0) |
| Ineligible for TPT (% of positive) | 44 (0.8) | 38 (0.8) | 6 (0.6) |
| No CXR | 21 (0.4) | 16 (0.3) | 5 (0.5) |
| CXR(+), no MTB test | 6 (0.1) | 5 (0.1) | 1 (0.1) |
| MTB(+) | 17 (0.3) | 17 (0.4) | 0 (0.0) |
| Eligible for TPT (% of positive) | 1748 (97.6) | 1565 (97.6) | 183 (97.3) |
| CXR(−) | 1702 (95.0) | 1524 (95.1) | 178 (94.7) |
| CXR(+), MTB(−) | 46 (2.6) | 41 (2.6) | 5 (2.7) |
| Initiated on TPT* (% of eligible) | 1107 (63.3) | 995 (63.6) | 112 (61.2) |
| Completed TPT* (% of initiated) | 892 (80.6) | 796 (80.0) | 96 (85.7) |
*TPT consisted of 9H in HCMC and of 3HR in Hai Phong.
CXR, chest X-ray; 9H, 9 months of daily isoniazid; HCMC, Ho Chi Minh City; 3HR, 3 months of daily isoniazid and rifampicin; IGRA, interferon-γ release assay; MTB, Mycobacterium tuberculosis; TB, tuberculosis; TPT, TB preventive therapy.