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Table 1 Patients, surgical procedure and survey characteristics, and levels of IL-6, CRP and cortisol on postoperative Day 1 (POD1)

From: Differential down-regulation of HLA-DR on monocyte subpopulations during systemic inflammation

 

AAS patients

(n = 20)

CAS patients

(n = 20)

P-value

Age (years)

67.0 ± 2.9

73.9 ± 2.8

ns

Male/female (n)

17/3

13/7

ns

Blood loss (mL)

1,000 (400-3,500)

100 (50-900)

< 10-4

Fluid infusion (mL)

4,500 (3,000-9,000)

1,500 (1,000-3,000)

< 10-4

Red blood cell transfusion

1 (0 to 6)

0 (0 to 2)

< 10-4

Fresh-frozen plasma

1 (0 to 4)

0

ns

Cell-saver

2 (0 to 8)

0

ns

Operation duration (hours)

2.5 (1.6 to 6.5)

1.2 (1 to 2.5)

< 10-4

Vascular clamping duration (minutes)

50.5 (14 to 90)

26 (12 to 45)

< 10-4

Post-surgical complications

(cardiac and/or respiratory)

9

3

0.038

Infection

4

2

ns

IL-6 pg/ml (POD1)

142 ± 41

14 ± 3

0.004

CRP pg/ml (POD1)

132 ± 16

25 ± 4

< 0.001

Cortisol ng/ml (POD1)

229 ± 44

157 ± 26

0.07

  1. Results are provided either as the mean ± SEM or as the median (range).
  2. Continuous values were compared by the Mann-Whitney test and frequencies or percentages were tested by the χ2 or Fisher exact test. P values are given for the comparison between AAS and CAS. ns: not significantly different.