Additional File 2
Correlations between microcirculatory beds at 3 hours and 5 hours in sepsis group

	3 hours	p	5 hours	p	
	rs		rs		
PPV of small vessels					
Sublingual and conjunctival	0.72	0.030	-0.21	0.645	
Sublingual and jejunal	0.75	0.052	-0.50	0.391	
Sublingual and rectal	0.10	0.840	0.77	0.072	
Conjunctival and jejunal	0.57	0.180	0.40	0.600	
Conjunctival and rectal	0.22	0.641	-0.37	0.468	
Jejunal and rectal	0.40	0.500	-0.50	0.667	
PVD of small vessels					
Sublingual and conjunctival	0.50	0.253	-0.29	0.535	
TVD of small vessels
					
Sublingual and conjunctival	0.64	0.119	-0.50	0.253	
PPV - proportion of perfused vessels; PVD - perfused vessel density; TVD – total vessel density; rs – Spearman’s correlation coefficient