Table 1.

Patient characteristics after inverse probability of treatment weighting (IPTW).

Patient Characteristics	HA (n = 41)	Control (n = 200)	Stddiff	p
Age, years	66.1 ± 23.7	65.4 ± 14.9	0.036	0.854
Female	3 (8.0%)	44 (21.9%)	0.397	0.039
BMI	27.6 ± 11.5	25.9 ± 5.4	0.193	0.345
Ejection fraction, %	55.6 ± 13.3	56.3 ± 10.2	−0.059	0.752
Diabetes	14 (34.5%)	41 (20.6%)	−0.315	0.302
Current Smoker	8 (19.2%)	47 (23.3%)	0.101	0.625
Platelet aggregation inhibitor	19 (46.5%)	115 (57.6%)	0.222	0.389
Peripheral artery disease	3 (6.4%)	16 (8.0%)	0.062	0.705
Preoperative stroke	9 (21.8%)	62 (30.9%)	0.206	0.302
Renal disease	13 (32.5%)	29 (14.4%)	−0.437	0.146
Dialysis	2 (5.7%)	8 (4.2%)	−0.070	0.660
COPD	9 (23%)	16 (7.8%)	−0.430	0.194
Hypertension	20 (48.5%)	104 (52.1%)	0.072	0.793
Hypercholesteremia	17 (40.4%)	64 (31.9%)	−0.179	0.543
NYHA III or IV	20 (48.8%)	87 (43.6%)	−0.104	0.702
Preoperative AF	2 (4.3%)	25 (12.6%)	0.300	0.196
Prior MI	3 (6.1%)	12 (5.8%)	−0.013	0.937
Emergency	5 (12.9%)	23 (11.7%)	−0.036	0.850
EuroSCORE II, %	7.8 (4.8 to 12.5)	8.6 (7.2 to 10.3)	0.219	0.185
CRP, mg/L	1 (0.1 to 14.4)	0.2 (0.1 to 0.4)	0.003	0.076
Fibrinogen, g/L	3.1 (2.8 to 3.4)	2.6 (2.2 to 3.0)	0.508	0.184
Hemoglobin, g/L	72.4 (54.1 to 96.9)	59.3 (43.0 to 81.6)	0.211	0.637
WBC, counts/nL	11.7 (8.3 to 16.5)	9.8 (7.4 to 12.8)	0.242	0.816
Platelets, counts/nL	142 (98 to 207)	107 (76 to 151)	0.190	0.949

HA: hemoadsorption group; stddiff: standardized difference; BMI: body mass index; AF: Atrial fibrillation; COPD chronic obstructive pulmonary disease; NYHA New York Heart Association Functional Classification; MI myocardial infarction; EuroSCORE II European System for Cardiac Operative Risk Evaluation; CRP: C-reactive protein; WBC: white blood cell count.