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. 2021 Nov 26:10.2217/fon-2021-062. doi: 10.2217/fon-2021-0621

Table 3. Comparison of the laboratory parameters of the first COVID-19 infection and reinfection.

Parameters Results (median/min–max) p-value
First COVID-19 infection Reinfection  
CRP (mg/l) 74.6 (5–463) 71.1 (4–301) 0.945
D-dimer (μg/ml) 1.4 (0.32–11.5) 1.88 (0.26–16.23) 0.118
Procalcitonin (ng/ml) 0.3 (0.02–2.06) 0.4 (0.03–8.97) 0.070
Fibrinogen (mg/dl) 413.5 (244–713) 410 (90–785) 0.510
Ferritin (ng/ml) 243.5 (10–4499) 512.5 (65–2800) 0.015
Interleukin-6 87.15 (4–204) 64.5 (19–105) 0.655
Leucocyte (×103/μl) 7.48 (3.1–27.33) 8.62 (2.15–51.74) 0.207
Neutrophil (×103/μl) 5.74 (1.32–25.86) 6.29 (1.31–48.9) 0.449
Lymphocyte (×103/μl) 0.83 (0.31–3.02) 0.77 (0.29–5.18) 0.861
Hemoglobin (g/dl) 10.3 (7.1–16.6) 10.35 (7–16.8) 0.581
Platelet (×103/μl) 228.5 (61–873) 229 (35–716) 0.548
LDH (U/L) 275.5 (95–937) 290 (143–1770) 0.340
Creatinine (mg/dl) 0.8 (0.39–3.45) 0.94 (0.28–2.33) 0.014
Albumin (g/dl) 3 (1.5–4.9) 3.05 (2–5.1) 0.637

p-values of less than 0.05 are in bold.