Figure 3. Diagnostic Accuracy and Group Size of Physicians by Presenting Symptom.

Shown is the accuracy, the percentage of cases with the correct diagnosis in the top 3 diagnoses listed, for increasing group sizes of randomly chosen physician users across 4 subgroups of cases with the most prevalent presenting symptoms. The presenting symptoms are abdominal pain (81 cases), chest pain (380 cases), fever (84 cases), and shortness of breath (90 cases). Error bars indicate 95% CIs.