Fig. 4From: Temporal variations in bacterial community diversity and composition throughout intensive care unit renovationsPrincipal coordinates’ analysis of beta diversity based on Bray Curtis dissimilarities for bedrail, keyboard, and sink samples. Color denotes renovation stages (before closure, purple; after closure, red; before opening, blue; after opening, orange). Ellipses are drawn at 95% confidence intervals for each renovation stage. Significance determined by ANOSIM with 999 permutations for renovation stages and denoted in the corner of each panel *p < 0.05Back to article page