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. 2023 Jan 19;2(1):e0000170. doi: 10.1371/journal.pdig.0000170

Table 1. Example of modifications based on user-experience feedback and observations.

Issue Description + context Modifications
CDSA impractical in emergency situations Child with convulsions was brought into the consultation room interrupting the current consultation. The clinician stopped using the tablet and managed the child providing the incorrect antibiotic class and dose Emergency button integrated so that emergency management guidance can easily be accessed at any point of the algorithm.
Understanding algorithm branches Why a patient reached a specific diagnosis was not always well understood by clinicians To improve understanding, and to have medAL-reader as a learning tool, efforts were made to simply present the decision tree logic for individual diagnostic and syndromic branches of the algorithm.
Some medicines not available at health facilities due to stock-outs Sometimes medicines recommended by national guidelines were not available Provide alternative medicines for most conditions in case the recommended one is not available.
Misunderstanding of the labelling of some clinical elements The labelling of some symptoms and signs were not well understood by the clinician Modification of labelling of some elements, clarification provided in the information button, and translation to local language
Some clinical signs not measured, especially when patients are many Many clinicians did not always measure required clinical signs (anthropometrics, temperature, respiratory rate) and could thus not continue with the algorithm Provide options to not measure some clinical signs and rather estimate the values (with warning that this is sub-optimal) to limit clinicians being ‘stuck’, to discourage false information to be entered, and to provide mentorship to those not measuring these signs
No clear identification of symptoms and signs that always result in severe disease / referral Clinicians selected variables that resulted in a severe diagnosis, parenteral antibiotics, and referral, for which the clinician did not agree with. Elements that result in the diagnosis of a severe disease and referral are highlighted