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Comparison of Two Symptom Checkers (Ada and Symptoma) in the Emergency Department: Randomized, Crossover, Head-to-Head, Double-Blinded Study

Comparison of Two Symptom Checkers (Ada and Symptoma) in the Emergency Department: Randomized, Crossover, Head-to-Head, Double-Blinded Study

Schmieding et al [33] showed that no symptom checker among 22 outperformed laypersons in deciding whether emergency care or self-care was adequate and that triage accuracy did not improve after 5 years, missing >40% of emergencies. Our study confirms results from previous studies [18,34] reporting that emergency cases are triaged more accurately than less-urgent cases.

Johannes Knitza, Ragip Hasanaj, Jonathan Beyer, Franziska Ganzer, Anna Slagman, Myrto Bolanaki, Hendrik Napierala, Malte L Schmieding, Nizam Al-Zaher, Till Orlemann, Felix Muehlensiepen, Julia Greenfield, Nicolas Vuillerme, Sebastian Kuhn, Georg Schett, Stephan Achenbach, Katharina Dechant

J Med Internet Res 2024;26:e56514

The Triage Capability of Laypersons: Retrospective Exploratory Analysis

The Triage Capability of Laypersons: Retrospective Exploratory Analysis

This analysis builds on data collected in a previous study by Schmieding et al [23], which was made available in a public open data repository [24]. They compared laypersons’ triage capabilities with symptom checker performance, which are tools developed to provide clinical decision support to laypersons. Their study found that laypersons’ overall triage accuracy was mediocre (mean 60.9%, SD 6.8%) based on a set of 45 fictitious patient descriptions (case vignettes).

Marvin Kopka, Markus A Feufel, Felix Balzer, Malte L Schmieding

JMIR Form Res 2022;6(10):e38977

Triage Accuracy of Symptom Checker Apps: 5-Year Follow-up Evaluation

Triage Accuracy of Symptom Checker Apps: 5-Year Follow-up Evaluation

We compared our data on symptom checker performance in 2020 with three publicly available data sets: (1) Semigran et al [23] (the index study) evaluated the diagnostic and triage accuracy of 23 symptom checker apps in 2015 using 45 case vignettes; (2) Hill et al [24,34] evaluated 36 symptom checker apps in 2020 on 48 clinical vignettes, using some of the vignettes compiled by Semigran et al [23] and new case vignettes; and (3) Schmieding et al [35] evaluated laypersons’ abilities to triage the same 45 case vignettes

Malte L Schmieding, Marvin Kopka, Konrad Schmidt, Sven Schulz-Niethammer, Felix Balzer, Markus A Feufel

J Med Internet Res 2022;24(5):e31810