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Table 2 Comparisons of laboratory parameters in pre and post-TPE procedure

From: Therapeutic plasma exchange in patients with COVID-19 pneumonia in intensive care unit: a retrospective study

 

Pre-TPE

Post-TPE

p

WBC (× 103/μL)

9.08 ± 4.1

9.14 ± 3.5

0.951

Neuc (×103/μL)

7.38 ± 3.1

7.33 ± 3.3

0.953

Lymc (× 103/μL)

0.9 (0.5–1.3)

1.02 (0.77–1.27)

0.053

NLCR

6.8 (1.8–11.7)

6.7 (4.2–9.2)

0.184

LDH (IU/L)

436 (322–550)

239 (181–297)

0.001

d-dimer (mg/L)&

7.8 (2.1–35.2)

1.3 (0.6–3.9)

< 0.001

Ferritin (ng/mL)&

1268 (399–6110)

405 (157–1650)

0.001

IL-6 (pq/mL)(13)&

161 (36.2–2958)

24.5 (1.5–130)

0.001

CRP (mg/dL)&

11.8 (0.4–29.7)

0.9 (0.3–7.2)

< 0.001

Procalcitonin (ng/mL)&

0.27 (0.02–87)

0.1 (0.01–39)

0.002

  1. CRP C-reactive protein, IL-6 interleukin-6, LDH lactate dehydrogenase, Lymc lymphocyte count, Neuc neutrophil count, NLCR neutrophil-lymphocyte count ratio, TPE therapeutic plasma exchange, WBC white blood cell. Results were given as percentage, mean ± sd, and median (quartiles or min-max). &Minimum and maximum values. Paired sample and Wilcoxon tests were used for the statistical analysis
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