Relationship between Dynamic Changes of Microcirculation Flow, Tissue Perfusion Parameters, and Lactate Level and Mortality of Septic Shock in ICU

Table 1

Comparison of Pcv-aCO2, Pcv-aCO2/Ca-cvO2, and lactate between the death group and survival group (±s).

Index	Group	Day 1	Day 3	Day 7
Pcv-aCO2 (mmHg)	Death group (n = 48)	5.74 ± 1.62	7.98 ± 1.55	6.43 ± 1.65
	Survival group (n = 56)	3.40 ± 1.34	4.41 ± 1.73	3.28 ± 1.22
	T	8.062	11.003	11.166
		0.000	0.000	0.000
Pcv-aCO2/Ca-cvO2 (mmHg/mL)	Death group (n = 48)	2.26 ± 0.63	3.72 ± 0.84	2.81 ± 0.70
	Survival group (n = 56)	2.07 ± 0.70	2.45 ± 0.71	1.69 ± 0.55
	T	1.445	8.357	9.131
		0.152	0.000	0.000
Lactic acid (mmol/L)	Death group (n = 48)	4.01 ± 1.43	5.52 ± 1.62	3.76 ± 1.10
	Survival group (n = 56)	2.47 ± 0.69	3.31 ± 0.82	2.82 ± 0.66
	T	7.150	8.962	5.368
		0.000	0.000	0.000