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TPT Initiations among Contacts

References in the content below refer to the PBMEF Guide.

Definitions

Number of household contacts and other close contacts of people with bacteriologically confirmed, notified pulmonary TB who initiated TB preventive treatment (TPT) during the reporting period.

This indicator is a subset of the core indicator “TPT initiations.”

“Other” close contacts will be assessed by clinical judgment or experience. In general, this may include someone who may not live in the same house as the index patient but spends considerable time there or spent time elsewhere when the index case was present. It may also be someone who the index case may have spent time in close contact in other settings such as in school or in the workplace.

Numerator

Number of adult, adolescent, and children <5 years who are household or other close contacts of people with bacteriologically confirmed, notified pulmonary TB who initiated TPT during the reporting period.

Denominator

N/A
Ref #
TPT_CON_ENROLL
Tier Level
Core Plus Indicator
Category
Prevent
Type
Outcome
Unit of Measure
Number of people
Data Type
Integer
Disaggregations
Age (0–4, 5–14, 15+)
Sex
Public vs Private
Reporting Level
All Core Plus indicators should be reported at the national level; data may also be collected subnationally for more granular monitoring.
Reporting Frequency
This indicator should be reported on a semiannual basis at a minimum. More frequent monitoring on a quarterly or monthly basis is recommended.

The data sources for this indicator may vary country to country. In some settings, data will be found in basic management unit TB registers, TPT register, community health worker contact investigation (CI) registers, or electronic management systems at the health facility and district level. This standard World Health Organization (WHO) indicator can also be calculated by using the WHO Global TB Programme Database variables: newinc_con_prevtx.

Understanding the specifics of TPT coverage within a given country/region is key for National TB Programs (NTPs) to monitor and manage TB prevention efforts. This indicator is a drilled down view into the core indicator, TPT Coverage (PT-4). While many TPT efforts and activities focus on children under 5 years of age or people living with HIV (PLHIV), this indicator functions to specifically look at TPT coverage of adults and children ages 5 years and older. This is particularly important as many countries expand their guidelines for TPT to expand coverage beyond the traditional risk groups of children under 5 years of age and PLHIV.

This indicator can be visualized with basic graphs to show trends in TPT coverage of adults and children ages 5 years and older over time. It could also be plotted against other subgroups (children under 5 years of age, PLHIV, etc.) to demonstrate the breakdown of TPT coverage among all people initiated on TPT within a given reporting period.

There are no related indicators for this indicator.

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Changelog

January, 2024: Created based on the Interim PBMEF Tuberculosis Indicator Compendium.