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Table 2 Concentrations of soluble triggering receptor expressed on myeloid cells-1 (sTREM-1) and of C-reactive protein (CRP) in the sera and expression of TREM-1 on neutrophils and on monocytes of 68 patients with pulmonary infiltrates.§

From: Diagnostic value of triggering receptor expressed on myeloid cells-1 and C-reactive protein for patients with lung infiltrates: an observational study

  Survivors Non-Survivors p Group A Group B p
  sTREM-1 (pg/ml, median-IQR)
Day1 28.13 (95.00) 189.61 (204.99) 0.028 102.09 (227.21) < 15.10 (31.04) < 0.0001
Day3 < 15.10 (39.45) 122.80 (231.05) 0.065 28.12 (263.74) < 15.10 (21.10) 0.010
Day 7 < 15.10 (35.60) 52.30 (225.81) 0.055 12.96 (202.89) < 15.10 (18.80) 0.022
  TREM-1 on neutrophils (MFI, mean ± SE)
Day1 3.55 ± 0.53 4.18 ± 1.07 NS* 4.67 ± 0.53 2.64 ± 0.25 0.001
Day3 2.26 ± 0.25 3.40 ± 1.10 NS 3.14 ± 0.37 1.57 ± 0.20 NS
Day 7 1.46 ± 0.31 2.34 ± 0.95 NS 1.20 ± 0.37 1.60 ± 0.43 NS
  TREM-1 on monocytes (MFI, mean ± SE)
Day1 3.24 ± 0.31 4.51 ± 0.91 NS 4.2 ± 0.42 2.64 ± 0.35 0.007
Day3 2.02 ± 0.33 3.42 ± 0.57 NS 1.50 ± 0.20 2.20 ± 0.43 0.001
Day 7 2.35 ± 0.25 4.25 ± 1.45 NS 1.76 ± 0.20 3.21 ± 0.43 0.003
  CRP (mg/dl, mean ± SE)
Day1 11.6 ± 1.5 16.6 ± 3.8 NS 18.03 ± 2 7.1 ± 1.5 < 0.001
Day3 9.4 ± 1.4 12.3 ± 2.7 NS 12.2 ± 2.0 7.1 ± 1.5 0.05
Day 7 6.4 ± 1.1 9.7 ± 3.5 NS 7.2 ± 1.5 6.2 ± 1.6 NS
  1. *NS: non significant
  2. §Patients are divided into two groups; survivors and non-survivors; and into those with community-acquired pneumonia (group A) and into those with an infiltrate of non-infectious origin (group B).