Fig. 2From: Participation in patient support forums may put rare disease patient data at risk of re-identificationHigh-risk Patients by Disease Condition. The x axis represents the patient’s rare disease condition and the y axis represents what percentage of patients with the condition were in high-risk groups. For conditions with 100% high-risk patients the bars are coloured red, for 90% they are orange, for 80% they are yellow, and for <50% they are coloured blueBack to article page