Figure 1From: Autoantibodies to angiotensin-converting enzyme 2 in patients with connective tissue diseasesSummarized results of ELISA for detecting serum anti-angiotensin-converting enzyme 2 antibodies. The ELISA scores of the vasculopathy patients (n = 18) are significantly higher than those of patients without vasculopathy (n = 24) and those of healthy subjects (n = 28). Bars indicate the median. P < 0.01.Back to article page