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Table 1 An overview of relevant laboratory parameters during the clinical course

From: Hemophagocytic lymphohistiocytosis in a patient with COVID-19 treated with tocilizumab: a case report

Parameter Reference range Admission
Day 0
ICU
Day 2
Day 5 Day 6 Day 7 Day 8 Extubation
Day 18
Hemoglobin (g/dl) 13.7–16.5 12.9 11.7 11.3 11.8 11.1 11.3 8.8
Neutrophils (109/L) 1.5–5.7 6.6 20.3 31.3 30.5 8.0
Lymphocytes (109/L) 1.3–3.4 1.6
Platelet count (109/L) 145–390 95 107 179 197 190 177 222
Creatinine (mg/dl) 60–105 115 91 297 339 233 155 156
CRP (mg/L) 0–4 167 224 315 348 276 63 12
Ferritin (μg/L) 23–431 544 635 6399 36,023 75,920 20,730 625
Bilirubin (μmol/L) 5–25 8 7 32 39 47 60 10
LD (U/L) 115–255 522 583 1074 1559 973 438
Fibrinogen (g/L) 2–4 6.5 5.9
Triglyceride (mmol/L) 0.45–2.60 5.27 5.71
  1. Abbreviations: CRP C-reactive protein, ICU Intensive care unit, LDH Lactate dehydrogenase