Microcirculatory changes during open label magnesium sulphate infusion in patients with severe sepsis and septic shock

Table 3 Microcirculation perfusion data

	Baseline	MgS	pValue
Microvascular flow index of small vessels	2.25(1.98-2.69)	2.33(1.96-2.62)	0.65
Microvascular flow index of large vessels	3.00(3.00-3.00)	3.00(3.00-3.00)	0.79
Proportion of perfused small vessels, %	81.5(78.8-89.3)	85.0(79.3-86.3)	0.64
Total vessel density of small vessels, mm/mm²	26.9(23.2-30.1)	27.8(24.4-29.5)	0.86
Total vessel density of others vessels, mm/mm²	7.4(6.2-8.9)	6.6(5.8-8.0)	0.26
Perfused vessel density of small vessels, n/mm	13.4(11.8-15.8)	13.6(11.5-15.1)	0.59
Perfused vessel density of other vessels, n/mm	4.2(3.7-4.7)	4.0(3.3-5.0)	0.97
Heterogeneity index	0.30(0.08-0.54)	0.42(0.26-0.50)	0.51

MgS, magnesium sulphate. Data are presented as median (25^th-75^th percentiles).

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