Correlation between circulating endothelial cell level and acute respiratory distress syndrome in postoperative patients

Table 1 Clinical data of patients enrolled

Clinical data	n (%)
Gender
Male	75 (60)
Female	50 (40)
Age
Age distribution	33-67
Average	53 ± 11
Mechanical ventilation	105 (84)
ARDS occurrence	52 (42)
Improvement	39 (31)
Death	13 (10)
Average APACHE II score	11 ± 5
Department type
General surgery	77 (62)
Orthopedics	25 (20)
Other	23 (18)

ARDS: Acute respiratory distress syndrome.

Table 2 Comparison of the levels of circulating endothelial cells in three groups, mean ± SD

Group	Number	Count of CECs, in mL
ARDS Group	52	2064 ± 892
Non-ARDS Group	73	1038 ± 1371
Healthy control group	32	167 ± 148

ARDS: Acute respiratory distress syndrome; CECs: Circulating endothelial cells.

Table 3 Comparison of day 2 circulating endothelial cells levels between death group and improvement group in acute respiratory distress syndrome patients, mean ± SD

Group	Number	Count of CECs, mL	P value
Deceased group	13	2863 ± 651	< 0.001
Improvement group	39	1799 ± 801

CECs: Circulating endothelial cells.

Table 4 Comparison of number of day 2 circulating endothelial cells in patients with acute respiratory distress syndrome under different severity, mean ± SD

Severity of ARDS	Number	Count of CECs, mL
Mild	19	1924 ± 872
Moderate	20	1897 ± 890
Severe	13	2580 ± 791

ARDS: Acute respiratory distress syndrome; CECs: Circulating endothelial cells.

Table 5 Changes of circulating endothelial cells levels in three groups as acute respiratory distress syndrome development, mean ± SD

Group	Number	Count of CECs, mL		P value
		Count of d2 CECs	Count of d5 CECs
Non-ARDS group	73	1038 ± 1371	854 ± 648	0.273
Improvement group	39	1799 ± 801	2274 ± 1017	< 0.001
Death group	13	2863 ± 652	3548 ± 1035	0.002

ARDS: Acute respiratory distress syndrome; CECs: Circulating endothelial cells.