Skip to main content

Table 2 Levels of the biomarkers of endothelial damage and cytokines in the three groups evaluated in this investigation

From: Endothelial glycocalyx shedding in the acute respiratory distress syndrome after flu syndrome

Biomarkers, median (IQR)

Flu syndrome

With ARDS

N = 30

Without ARDS

N = 36

Control

N = 35

p value

Hyaluronan (ng/ml)

31 (12–56)

5 (3–10)

5 (2–8)

< 0.0001*

Thrombomodulin (pg/ml)

1411 (878–2237)

1390 (21–1746)

219 (21–601)

< 0.0001‡

Syndecan-1 (ng/ml)

28 (24–57)

24 (24–25)

24 (17–41)

0.011§

TNF-α (pg/ml)

15 (15–51)

15 (15–43)

23 (5–110)

0.850

IL-6 (pg/ml)

39 (12–129)

33 (6–83)

16 (6–41)

0.081

IL-1β (pg/ml)

4 (0.4–32)

0.4 (0.4–45)

4 (0.4–10)

0.788

 

Positive RT-PCR or IgM for influenza A

With ARDS

N = 17

Without ARDS

N = 13

Control

N = 35

 

Hyaluronan (ng/ml)

34 (16–62)

8 (4–15)

5 (2–8)

0.001**

Thrombomodulin (pg/ml)

1374 (923–1980)

1339 (575–1888)

219 (21–601)

< 0.0001‡‡

Syndecan-1 (ng/ml)

24 (24–41)

24 (19–70)

24 (17–41)

0.427

TNF-α (pg/ml)

15(15–30)

15 (12–26)

23 (5–109)

0.745

IL-6 (pg/ml)

37 (1283)

52 (6–98)

16(6–41)

0.255

IL-1β (pg/ml)

4 (0.4–33)

4 (0.4–47)

4(0.4–10)

0.957

  1. ARDS acute respiratory distress syndrome, IQR interquartile range
  2. *with ARDS vs. without ARDS, p = 0.0002; with ARDS vs. control, p < 0.0001, without ARDS vs. control, p > 0.99
  3. ‡with ARDS vs. without ARDS, p = 0.57; with ARDS vs. control, p < 0.0001; without ARDS vs. control, p = 0.0001
  4. §with ARDS vs. without ARDS, p = 0.009, with ARDS vs. control, p = 0.1536, without ARDS vs. control, p = 0.888
  5. ** with ARDS vs. without ARDS, p = 0.015; with ARDS vs. control, p = 0.006, without ARDS vs. control, p = 0.91
  6. ‡‡with ARDS vs. without ARDS, p = 0.99; with ARDS vs. control, p < 0.0001; without ARDS vs. control, p = 0.0008