Have you registered for our digitalhealth conference MedInVirtualAge22? (see link in thread) We’ll be joined by world-class researchers — such as Rachel McKendry, who you may know from this study we published last year: McKendryLab ucl AHRI_News
. As expected, agreement between nurses was greater than that between newly trained community health workers . Test type B showed the lower level of agreement. The low level of agreement between participants, and variability due to the type of HIV RDT, were of concern and highlighted the need for a more objective and consistent method to interpret HIV RDTs in the field. The confusion matrices in Fig.demonstrate that our mHealth system reduced the number of errors in reading RDTs.
Ethical approval for the collection of human blood samples used in the pilot study was granted by the Biomedical Research Ethics Committee of the University of KwaZulu-Natal, South Africa . While the two HIV RDTs used in this study have their own instructions for use , they all generally follow the same principle of collecting a drop of blood from the participant’s fingertip, delivering that drop of blood to the sample pad and using a drop of chase buffer to facilitate sample flow through the length of the paper strip. The result is then read out after a period of 10–40 min, depending on the type of HIV RDT used.
All images were captured using Samsung tablets using the native Android camera application and stored on the device until the end of the day, when they were transferred to a secure database at AHRI. Our mHealth system allows the saving of only one picture per test and per participant to the tablet and uploading to the AHRI database.
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