Fig. 2From: The influence of pyroptosis-related genes on the development of chronic obstructive pulmonary diseaseExpression of pyroptosis-related genes in COPD. A-B Heatmap and boxplot of expression levels of 47 pyroptosis-related genes in train set. P-values are shown as: *p < 0.05; **p < 0.01; ***p < 0.001; (C-D) Heatmap and boxplot of expression levels of 47 pyroptosis-related genes from test set. P-values are shown as: *p < 0.05; **p < 0.01; ***p < 0.001Back to article page