Skip to main content

Table 2 Peak plasma values from laboratory data during ICU stay and comparison between patients with and without VTE

From: Point of care ultrasound screening for deep vein thrombosis in critically ill COVID-19 patients, an observational study

Laboratory data Total (n = 56) No VTE (n = 48) VTE
(DVT ± PE; n = 3, PE n = 5)
p-value
D-dimer, mg/L (IQR) 3.3 (1.7–8.1) 2.8 (1.7–7.2) 24.0 (14.2–50.5) 0.004
CRP, mg/L (SD) 296 (108) 285 (108) 363 (80) 0.033
Ferritin, μg/L (IQR) 2879 (1643–4617) 2781 (1643–4421) 3916 (2369–7537) 0.262
IL-6, ng/L (IQR) 207 (100–334) 193 (91–274) 302 (197–639) 0.096
Creatinine, μmol/L (IQR) 95 (78–146) 94 (78–131) 288 (131–328) 0.009
Troponin I, ng/L (IQR) 21 [10–93] 21 (10–76) 79 (20–172) 0.167
NT-pro-BNP, ng/L (IQR) 1135 (424–3603) 937 (406–3203) 3700 (1003–5630) 0.167
  1. Data are presented as mean (standard deviation) or median (interquartile range). VTE: Venous thromboembolism, DVT: Deep vein thrombosis, CRP: C-reactive protein, IL-6: Interleukin 6, NT-pro-BNP: N-Terminal pro brain natriuretic peptide. Laboratory reference ranges: CRP < 5 mg/L; D-dimer < 0,50 mg/L (non-age-adjusted); Ferritin male patients 25–310 μg/L, female patients 10–155 μg/L (non-age-adjusted); IL-6 < 7,0 ng/L; plasma creatinine male patients 60–105 μmol/L, female patients 45–90 μmol/L; NT-pro-BNP male patients < 230 ng/L, female patients < 330 ng/L (non-age-adjusted); Troponin I male patients < 35 ng/L, female patients < 16 ng/L