Fig. 9From: Coated sodium butyrate ameliorates high-energy and low-protein diet induced hepatic dysfunction via modulating mitochondrial dynamics, autophagy and apoptosis in laying hensCorrelation analysis and PCA. A Correlation between autophagy and apoptosis indexes based on Spearman correlation analysis. B Principal component analysis of autophagy and apoptosis parameter ranking plots. *P < 0.05, **P < 0.01, ***P < 0.001Back to article page