Table 2

Clinical characteristics of patients at time of bloodstream infection episodes

CharacteristicsLVAD
n=59
Control
n=45
P values
Age at BSI, years60±1355±130.15
White cell count, ×109 cells/L at time of culture9.3 (6.8, 14.4)9.7 (7.2, 13.0)0.49
MAP, mm Hg at time of culture74 (63, 86)72 (67, 81)0.88
BMI, kg/m2 27.5 (23.0, 32.5)27.7 (25.1, 32.0)0.52
Aspirin therapy47 (80)23 (51)0.02
Aspirin dose 325 mg (vs 81 mg)29 (63)6 (25)0.02
Outpatient acetaminophen prescription14 (24)7 (16)0.44
Duration from LVAD placement or line to insertion to BSI, days303 (151, 628)32 (12, 92)<0.0001
Duration from prior BSI episode to next episode, days (n=22 LVAD, n=4 control)114 (64, 195)265 (138, 738)0.31
  • Data are presented in mean±SD, median (25th, 75th percentile) or count (%).

  • BMI, body mass index; BSI, bloodstream infection; LVAD, left ventricular assist device; MAP, mean arterial pressure.