| Laboratory studies or intervention | Reference range | Illness day 5 | Illness day 6 | Illness day 7 | Illness day 8 | Illness day 9 | Illness day 10 | Hospital day 0 | Hospital day 1 | Hospital day 2 | Hospital day 3 | Hospital day 4 | Hospital day 5 |
| WBC (103/mcL) | 5.20–9.70 | 13.68 ⟶ 5.93 | 18.74 | 17.76 | 14.00 ⟶ 4.98 | 5.72 | 4.39 | Hbg (g/dL) | 11.3–14.7 | 12.2 ⟶ 13.0 | 10.4 | 10.5 | 10.7 ⟶ 10.1 | 9.9 | 10.4 | Plt (103/mcL) | 150–500 | 102 ⟶ 70 | 69 | 49 | 96 ⟶ 44 | 98 | 104 | ANC (103/mcL) | 2.00–5.80 | 4.24 ⟶ 3.62 | 15.85 | 16.69 | 10.64 | 3.47 | 2.3 | ALC (103/mcL) | 1.03–2.18 | 5.34 ⟶ 0.83 | 1.11 | 0.53 | 1.54 | 1.07 | 1.08 | Neurophil bands (103/mcL) | 0–1.00 | 3.28 ⟶ 7.95 | 0 | 4.62 | 1.4 | 0 | 0 | ESR (mm/hr) | 0–20 | | 14 | 32 | 44 | 80 | 55 | CRP (mg/dL) | 0–0.9 | 19 | | 24.8 | 21.2 | | 14.8 | PCT (ng/dL) | <0.1 | 3.1 | 8.5 | 7.9 | 5.8 | 10.8 | | Troponin I (ng/dL) | 0–0.119 | <0.012 | | 0.049 | 0.046 | | | BUN (mg/dL) | 8–21 | 14 | 3 | 5 | 10 | 19 | 27 | Cr (mg/dL) | 0.42–0.90 | 0.74 | 0.39 | 0.37 | 0.41 | 0.37 | 0.41 | Albumin (g/dL) | 3.7–5.6 | 2.9 | 2.6 | 2.5 | 2.5 | 2.5 | 3.1 | AST (U/L) | 5–30 | 77 | 75 | 71 | 89 | 72 | 101 | LDH (mU/L) | 340–670 | 1564 | 1514 | 1607 | 2205 | 2019 | 2020 | Lactate (mmol/L) | 0.50–2.00 | 5.6 | 2.00 | 1.50 | 1.10 | 1.40 | 1.30 | D-dimer (mcg/mL) | ≤0.48 | 3.41 | 3.76 | 2.71 | 1.94 | 1.55 | 1.70 | PT (seconds) | 12.0–15.0 | 16.3 | 3.76 | 17.4 | 17.8 | 18.0 | 16.9 | Ferritin (ng/dL) | 10–70 | 309 | 16.3 | 438 | 668 | 637 | 637 | Fibrinogen (mg/dL) | 150–400 | 500 | 377 | 459 | 486 | 527 | 486 | Antibodies | | Azithromicin, levoflaxin, vancomycin | Ceftriaxone, vancomycin | Ceftriaxone | Ceftriaxone | Ceftriaxone | | Infusions/transfusion | | pRBCs | Platelets, 25% albumin | Platelets | pRBCs, platelets | Platelets | | SARS-CoV-2 theraphy | | | Hydroxychloroquine, convalescent plasma | Hydroxychloroquine | Hydroxychloroquine, IVIG (1 g/kg) | Anakinra | Anakinra | Vasoactive agents | | Epinephrin, norepinephrin | Epinephrin | Epinephrin | Epinephrin | Epinephrin | |
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If multiple iterations of the same laboratory studies were obtained on the same day, the representative results are displayed with “ ⟶ ” in between. WBC: white blood cell count, Hgb: hemoglobin, Plt: platelets, ANC: absolute neurophil count, ALC: absolute lymphocyte count, ESR: erythrocyte sedimentation rate, CRP: C-reactive protein, PCT: procalcitonin, BUN: blood urea nitrogen, Cr: creatinine, AST: aspirate aminotransferase, LDH: lactate dehydrogenase, and PT: prothrombin time.
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