Table 1 Results of repeat lumbar puncture and serum

From: COVID-19-induced exacerbation of chronic inflammatory demyelinating polyneuropathy

  Reference range Day 1 Day 4
Lumbar puncture
White-cell count (/µL) 0–5 4 4
Red-cell count (/µL)  < 1000 300 100
Protein (mg/dL)  < 45 36.8 77.8
Glucose (mg/dL) 40–70 75 79
Lab results
Red-cell count (× 10^9/L) 3.8–5.2 4.4 4.7
Hemoglobin (g/dL) 11.8–16 13.3 14.1
White-cell count (× 10^9/L) 3.5–11 7.9 11.6
Platelet count (× 10^9/L) 150—400 249 259
CRP (mg/L)  < 5 11.8 73.4
Creatinine (mg/dL) 0.57–1.11 0.9 0.71
Ferritin (µg/L) 10–204 79 403
D dimers (µg/L) 0–549 536 1998
Arterial blood gas    After intubation and FIO2 100%
pH 7.35–7.45   7.32
pCO2 (mmHg) 32.0–45.0   42.6
pO2 (mmHg) 83.0–108.0   141.6
SO2 (%) 94–98   98
Base excess (mmol/l) − 3.0 to 3.0   − 4.7