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Table 3 Outcome characteristics for the combined rank group

From: Relationship between endotoxin core, staphylococcal and varicella antibody levels and outcome following aortic valve replacement surgery: a prospective observational study

  Q1 Q2 Q3 Q4 Q1 vs Q4
Number 15 15 15 15  
Age (years) 74 71 75 70 p = 0.289
BMI (kg m−2) 26.2 26.9 25.7 28.1 p = 0.342
LVEF (%) 73 72 77 69 p = 0.908
EuroSCORE II 1.64 1.47 1.21 1.42 p = 0.429
CPB time (min) 85 77 78 89 p = 0.392
Aortic cross clamp time (min) 59 58 61 62 p = 0.313
Length of stay in ICU (days) 3 4 2 2 p = 0.348
Post-operative stay (days) 10 8 7 6 p = 0.017
Proportion with infection 0.33 0.33 0.27 0 p = 0.042
Death 0 0 1 0  
  1. Data are presented as median for each quartile (Q1–Q4). The proportion with infection is displayed as the proportion of the quartile group who developed an infection
  2. BMI body mass index, LVEF left ventricular ejection fraction