Table 1: Baseline demographics of patients with no hemorrhagic injury (NHI) and those with hemorrhagic injury (HI).
Factor NHI n=133 (%) HI n=23 (%) p-value Test
Demographics
Age at implant (years)T 53.7 2.4 49.7 6.4 0.198 t-test
Sex (male) 107 (80.5) 15 (65.2) 0.102 Chi-square
Ethnicity
Caucasian 103 (77.4) 19 (82.6) 0.810 Chi-square
African American 29 (21.8) 4 (17.4)
Asian 1 (0.8) 0 (0)
Pump Type
Continuous 116 (87.2) 20 (87.0) 0.972 Chi-square
Pulsatile 17 (12.8) 3 (13.0)
Premorbid medical history
Stroke 21 (15.8) 9 (39.1) 0.009 Chi-square
Diabetes Mellitus 56 (42.1) 8 (34.8) 0.510 Chi-square
Hypertension 97 (72.9) 17 (73.9) 0.922 Chi-square
Dyslipidemia 95 (71.4) 12 (52.2) 0.066 Chi-square
Premorbid or current tobacco 88 (66.2) 12 (52.2) 0.197 Chi-square
Antiplatelet and anticoagulation
Aspirin 107 (80.5) 18 (78.3) 0.887 Chi-square
Clopidogrel 11 (8.3) 3 (13.0) 0.460 Chi-square
Anticoagulation 100 (75.2) 20 (87.0) 0.216 Chi-square
Duration of VAD support
Mean (days)T 699.3 100.5 898.0 245.7 0.134 t-test
>2 years 54 (40.6) 15 (65.2) 0.021 Chi-square
All cause mortality 66 (49.6) 21 (91.3) < 0.001 Chi-square


T No percentage was applicable for factors evaluated by t-test