Fig. 1From: Clinical phenotypes and prognoses of microscopic polyangiitis based on kidney biopsiesThe correlations between clinical features and clusters. The correlation matrix indicating the percentage of a given feature (row) in a cluster (column). The size of each blue dot on the visualization indicating the proportion of patients in that cluster. ENT, ear, nose, and throat, UIP, usual interstitial pneumonia, NSIP, nonspecific interstitial pneumoniaBack to article page