IFNA2 and kidney disorder: In the context of patient baseline characteristics, we could not observe any attributes that clearly correlated with the presence of anti-IFNα IgG autoantibodies, including age (median age of patients with anti-IFN autoantibodies was 68 as compared to 66 for patients without anti-IFN autoantibodies), gender, body mass index, or several chronic underlying conditions, such as diabetes, cancer, or cardiac, liver, and renal diseases (Table 1).