Table VI.

Baseline characteristics of patients with CVC exchange before and after 8 days

Variable	≤ 8 Days (n=40)	>8 Days (n=21)	P value
Infection	6 (15.0%)	9(42.8%)	0.02
ECMO Support days	8.6 ± 14.7	26.9 ± 21.5	0.001
Age, years	46.3 ± 15.1	51.1 ± 17.6	0.29
BMI, kg/m2	28.8 ± 14.6	30.7 ± 10.6	0.56
BSA, m2	1.9 ± 0.5	1.9 ± 0.3	1.00
Hypertension	11 (27.5%)	5 (23.8%)	1.00
Diabetes mellitus	5 (12.5%)	3 (14.3%)	1.00
Chronic kidney disease	9 (22.5%)	3 (14.3%)	0.52
Smoking	11 (27.5%)	5 (23.8%)	1.00
Intrope	15 (27.5%)	5 (23.8%)	0.39
Pressors	22 (55.0%)	12 (57.1%)	1.00
Nitric oxide	10 (25.0%)	6 (28.6%)	0.77
RESP Score	0.6 ± 3	−0.4 ± 2.6	0.18
Laboratory
Hemoglobin, g/dL	11.2 ± 3.7	10 ± 1.8	0.09
WBC, 1,000/mm3	13.3 ± 6.5	16.2 ± 10.2	0.24
Platelets, 1,000/mm3	212.6 ± 116.9	217.3 ± 113.1	0.88
Sodium, mEq/L	138.3 ± 35.3	135.8 ± 10.5	0.68
Creatinine, mg/dL	1.7 ± 0.9	1.5 ± 2.2	0.69
BUN, mg/dL	31.3 ± 23.2	25.5 ± 18	0.28
AST, U/L	91.8 ± 222.1	37.8 ± 26.8	0.13
ALT, U/L	71.6 ± 196.3	33.4 ± 17.8	0.23
Total bilirubin, mg/dL	1.1 ± 1.7	3.2 ± 9.4	0.31
Albumin, g/dL	3 ± 0.8	2.7 ± 0.6	0.10
INR	1.3 ± 0.4	1.6 ± 1	0.19
ABG (at cannulation)
pH	7.3 ± 1.9	7.3 ± 0.1	1.00
PaCO2	56.1 ± 28.2	56.4 ± 23.2	0.96
PaO2	111.7 ± 53.9	91.7 ± 66	0.24
HCO3	25.5 ± 9.2	28.2 ± 6.8	0.20
Lactate	4.2 ± 3.1	2.5 ± 2.3	0.02

Continuous data are shown as means ± standard deviation (SD). Categorical variables are presented as number and percentage. BMI, body mass index; BSA, body surface area; RESP, Respiratory ECMO Survival Prediction; WBC, white blood cell; BUN, blood urea nitrogen; AST, aspartate aminotransferase; ALT, alanine aminotransferase; INR, international normalized ratio; PT, prothrombin time; PTT partial thromboplastin time