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Table 5 Characteristics of the surgical patients

From: Neutrophil apoptosis: a marker of disease severity in sepsis and sepsis-induced acute respiratory distress syndrome

  Uncomplicated sepsis (n = 8) Septic shock (n = 11) Sepsis-induced ARDS (n = 9) Mechanical ventilation (n = 9) Controls (n = 11) P value
Age (years, mean ± SEM) 64.0 ± 3.3 58 ± 7.4 49.5 ± 6.9 51 ± 5 45.9 ± 5.5 0.1
Male/Female (percentage) 75/25 45.5/54.5 55.6/44.4 77.8/22.2 54.5/45.5 0.5a
APACHE II score (percentage) 15.3 ± 1.8 21.1 ± 1.9 21.7 ± 3.9 - - 0.1
Maximum SOFA score (percentage) 6.8 ± 1.1 10 ± 1.3 12.2 ± 0.8 - - <0.001b
Organ dysfunction (percentage)       
0 0 9.1 11.1 - - -
1 50 18.2 44.4 - - -
2 37.5 36.4 22.2 - - -
3 12.5 18.2 22.2 - - -
4 0 18.2 0    
Organ failure (percentage)       
0 12.5 9.1 0 - - -
1 62.5 36.4 11.1 - - -
2 25 36.4 66.7 - - -
3 0 18.2 22.2 - - -
Mortality in 28 days (percentage) 62.5 45.5 66.7 - - -
Neutrophil apoptosis (mean percentage ± SEM) 35 ± 3.2 36 ± 5.2 29 ± 2.1 32 ± 3.9 52 ± 3.6 <0.001b
  1. aP value from the comparisons using χ2 test; bp value from the comparisons using analysis-of-variance test. APACHE II, Acute Physiology and Chronic Health Disease Classification System II; ARDS, acute respiratory distress syndrome; SEM, standard error of the mean; SOFA, sequential organ failure assessment.