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Home » Innovations » 0154-01

Mobile telephone diagnostic tests application for tuberculosis suspects, Nyanza Province, Kenya

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Start Date: 01/11/2012- End Date: 01/05/2014


Project Lead(s): Lazarus Odeny

Issue

Although tuberculosis (TB) treatment is free in Kenya, 64% of TB patients do not seek treatment because they are not aware they are infected.

In addition, only 9% of those seeking care are diagnosed at their first health facility visit, with the vast majority being diagnosed after several visits to hospitals and non-health facilities.

Solution

Implemented in Kenya, this study evaluated the effectiveness of a mobile phone-based application to predict the probability of a patient having TB and to advise on the next steps, using proven algorithms.

The feasibility of this tool was tested by augmenting current practices with the mobile app as a TB screening aid and comparing agreement between the mobile app and the clinical diagnosis.

Outcome

The results showed use of the mobile app provided a more accurate diagnosis of TB than when the app was not used.

In a population of 1,045 HIV-infected participants, the study found the agreement between the clinicians and mobile app on TB status was generally poor.

Clinicians tended to rule out TB more often than the mobile app results (85% versus 61%), while the algorithm used by the mobile app recommended further testing more frequently than clinicians (39% against 5%).

Overall, the mobile app identified two more cases than the clinicians out of the six infected participants, with the diagnosis being confirmed by GeneXpert.

The app has the potential to be administered by non-specialists, thereby improving TB case detection and reducing TB morbidity and mortality.

A manuscript detailing the work of the project will be prepared for publication.

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  • Innovation Overview
    Program

    Stars in Global Health

    Institution

    Kenya Medical Research Institute (KEMRI)

    Institution Country

    Kenya

    Implementation Country

    Kenya

    Implementation Region

    Sub-Saharan Africa

    Priority

    Infectious Diseases, Tuberculosis

    Platform

    Information and Communications Technology

Grand Challenges Canada’s programs are primarily undertaken with the financial support of the Government of Canada provided through Global Affairs Canada.

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