Management of close contacts of pulmonary TB cases compared with CDC performance targets*
| CDC indicator | Age group of PTB cases and close contacts | CDC target* (%) | |||
| <5 years fraction (%) | 5–14 years fraction (%) | ≥15 years fraction (%) | Total fraction (%) | ||
| Sputum smear-positive PTB cases (n=16) | |||||
| Cases in whom close contacts were elicited† | NA | NA | 15/16 (93) | 15/16 (93) | 100 |
| Close contacts evaluated‡ (TST and CXR, TST or CXR) | 5/5 (100) | 6/9 (66) | 38/43 (91) | 49/57 (86) | 93 |
| Preventive therapy initiated§ | 1/1 (100) | 0/2 (0) | 2/18 (11) | 3/21 (14) | 91 |
| Preventive therapy completed¶ | 1/1 (100) | NA | 2/2 (100) | 3/3 (100) | 81 |
| Sputum smear-negative PTB cases (n=37) | |||||
| Cases in whom close contacts were elicited† | NA | NA | 30/37 (81) | 30/37 (81) | 100 |
| Close contacts evaluated‡ (TST and CXR, TST or CXR) | 9/9 (100) | 11/13 (85) | 75/92 (82) | 95/114 (83) | 93 |
| Preventive therapy initiated§ | 1/2 (50) | 2/7 (29) | 6/47 (13) | 9/56 (16) | 91 |
| Preventive therapy completed¶ | 1/1 (100) | 2/2 (100) | 5/6 (83) | 8/9 (89) | 81 |
*www.cdc.gov/tb/programs/evaluation/pdf/National_TB_Objectives_2020_Targets_20160307.pdf.
†Fraction of sputum smear-positive cases in whom the presence (or absence) of close contacts was documented.
‡Fraction of close contacts screened for TB and latent TB infection, relative to the total number of close contacts reported.
§Fraction of close contacts with latent TB infection in whom preventive therapy was commenced.
¶Fraction of close contacts who completed preventive therapy of those who commenced it; contacts routinely received 6–9 months of isoniazid.
CDC, Centre for Disease Control and Prevention; CXR, chest radiograph; NA, not applicable; PTB, pulmonary tuberculosis; TB, tuberculosis; TST, tuberculin skin test.