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Table 2 Comparison of biomarkers between patients and controls during the three disease progression phases

From: What is the actual relationship between neutrophil extracellular traps and COVID-19 severity? A longitudinal study

Viral phase

(1–9 days)

Patients

N = 93

Controls

N = 55

p-value

IL-8 (pg/mL)

50.31 [34.62; 69.05]

56.21 [43.26; 107.75]

0.025

G-CSF (pg/mL)

138.42 [120.43; 159.45]

130.47 [124.32; 138.97]

0.032

MPO-DNA

0.75 [0.63; 0.95]

0.52 [0.43; 0.72]

 < 0.001

NE-DNA

1.06 [0.87; 1.25]

0.72 [0.60; 0.89]

 < 0.001

cfDNA (ng/mL)

6.67 [4.04; 13.69]

2.56 [1.71; 3.61]

 < 0.001

CitH3 (ng/mL)

23.35 [11.32; 34.99]

20.91 [15.92; 31.94]

0.599

Early inflammation

(10–16 days)

Patients

N = 59

Controls

N = 55

p-value

IL-8 (pg/mL)

55.02 [42.51; 88.89]

56.21 [43.26; 107.75]

0.725

G-CSF (pg/mL)

146.39 [129.14; 162.05]

130.47 [124.32; 138.97]

0.001

MPO-DNA

0.90 [0.64; 1.10]

0.52 [0.43; 0.72]

 < 0.001

NE-DNA

1.03 [0.87; 1.25]

0.72 [0.60; 0.89]

 < 0.001

cfDNA (ng/mL)

7.51 [5.04; 11.66]

2.56 [1.71; 3.61]

 < 0.001

CitH3 (ng/mL)

35.89 [21.49; 68.04]

20.91 [15.92; 31.94]

0.003

Late inflammation (> 16 days)

Patients

N = 45

Controls

N = 55

p-value

IL-8 (pg/mL)

78.18 [50.36; 111.21]

56.21 [43.26; 107.75]

0.093

G-CSF (pg/mL)

149.48 [132.43;157.64]

130.47 [124.32; 138.97]

 < 0.001

MPO-DNA

0.87 [0.74; 1.05]

0.52 [0.43; 0.72]

 < 0.001

NE-DNA

1.00 [0.88; 1.32]

0.72 [0.60; 0.89]

 < 0.001

cfDNA (ng/mL)

11.24 [5.77; 17.77]

2.56 [1.71;3.61]

 < 0.001

CitH3 (ng/mL)

54.54 [28.72; 89.53]

20.91 [15.92; 31.94]

 < 0.001