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Table 4 Comparison of biomarkers between patients and controls for all samples and for only the first sample after admission

From: IL-6 and cfDNA monitoring throughout COVID-19 hospitalization are accurate markers of its outcomes

All samples

Patients N = 201

Controls N = 55

p

TNF-α (pg/mL)

40.02 [34.83; 47.41]

41.07 [38.56; 44.99]

0.156

IL-8 (pg/mL)

54.29 [40.43; 89.22]

56.21 [43.26; 107.75]

0.412

IL-1β (pg/mL)

55.90 [47.80; 66.92]

59.91 [54.04; 62.24]

0.238

IFN-γ (pg/mL)

145.84 [123.72; 176.59]

134.60 [128.65; 142.43]

0.004

IL-17A (pg/mL)

19.40 [14.73; 23.90]

21.31 [18.48; 21.31]

0.204

P-Selectin (ng/mL)

55.48 [42.12; 73.30]

77.44 [67.55; 84.99]

< 0.001

G-CSF (pg/mL)

143.97 [123.70; 159.45]

130.47 [124.32; 138.97]

< 0.001

IL-6 (pg/mL)

20.41 [4.34; 51.62]

7.80 [5.15; 10.42]

0.004

cfDNA (ng/mL)

7.87 [4.45; 14.40]

2.56 [1.71; 3.61]

< 0.001

1st samples

Patients N = 93

Controls N = 55

p

TNF-α (pg/mL)

38.51 [32.58; 45.34]

41.07 [38.56; 44.99]

0.013

IL-8 (pg/mL)

47.45 [33.71; 66.16]

56.21 [43.26; 107.75]

0.010

IL-1β (pg/mL)

51.66 [43.09; 59.90]

59.91 [54.04; 62.24]

< 0.001

IFN-γ (pg/mL)

134.40 [119.97; 159.07]

134.60 [128.65; 142.43]

0.846

IL-17A (pg/mL)

18.48 [10.79; 22.80]

21.31 [18.48; 21.31]

0.001

P-Selectin (ng/mL)

52.21 [35.63; 71.42]

77.44 [67.55; 84.99]

< 0.001

G-CSF (pg/mL)

142.57 [120.38; 162.04]

130.47 [124.32; 138.97]

0.041

IL-6 (pg/mL)

30.52 [6.26; 62.51]

7.80 [5.15; 10.42]

< 0.001

cfDNA (ng/mL)

7.68 [4.23; 14.49]

2.56 [1.71; 3.61]

< 0.001

  1. TNF-α tumor necrosis factor-α, IL-8 interleukin-8, IL-1β interleukin-1β, IFN-γ interferon- γ, IL-17A interleukin 17A, G-CSF Granulocyte colony-stimulating factor, IL-6 interleukin-6, cfDNA cell free DNA