Fig. 3
From: Gut microbiota alterations in critically ill older patients: a multicenter study
Analysis of alpha diversity in the age groups. Richness and diversity in the gut microbiota of older patients over 60 years old (pink) and patients under 60 years old (blue) in critical illness. Chao1, Shannon, Simpson’s reciprocal and phylogenetic diversity index. Wilcoxon range test was performed to analyze statistical significance between groups