Table 2.

Laboratory variables comparison among the patients with COVID-19 related CVST undergoing mechanical thrombectomy

Cases	Current case	Case A	Case B
Complete blood picture	Haemoglobin: 11.6 gm/dL Total Leukocyte Count: 13 600/mm3 Neutrophils: 10 200/mm3 Lymphocytes: 2312/mm3 Monocytes: 924/mm3 Platelets: 285 000/mm3 Neutrophil/Lymphocyte Ratio: 4.4	Haemoglobin: 14.3 gm/dL Total Leukocyte Count: 16 710/mm3 Neutrophils: 14 280/mm3 Lymphocytes: 490/mm3 Monocytes: 1690/mm3 Platelets: 141 000/mm3 Neutrophil/Lymphocyte Ratio: 29.14	Haemoglobin: 14.9 gm/dL Total Leukocyte Count: 8000/mm3 Lymphocytes: 560/mm3 Platelets: 140 000/mm3 Estimated Neutrophil/Lymphocyte Ratio: 10.5–12.3
Coagulation profile	Prothrombin Time: 10.9 s APTT: 20.1 s International normalized ratio: 1.0	PT: 22.5 s APTT: 30.6 s International normalized ratio: 1.9	Not available
Inflammatory markers	C-reactive Protein: 9.95 mg/L Lactate Dehydrogenase: 265 U/L Ferritin: 9.8 ng/mL Procalcitonin: 0.037 ng/mL Fibirin degradation product: >5.0 µg/mL D-dimer: 6.3 ng/mL	Fibrinogen levels: 121 D-dimer: >55 000	C-reactive Protein: 40 mg/L Erythrocyte Sedimentation Rate: 12 mm/hour Lactate Dehydrogenase: 751 U/L Ferritin: 144 ng/mL D-dimer: >10 000 ng/mL
Liver profile	Aspartate transaminase (AST): 21 U/L Alanine transaminase (ALT): 29 U/L	AST: 31 U/L ALT: 27 U/L	Normal
CSF D/R	Total Leukocyte Count: 3 (103 /UL) Protein: 45 mg/dL Glucose: 79 mg/dL	Not Available	Not available
Baseline parenchymal lesion	Haemorrhagic infarct	None (cerebral oedema only)	Haemorrhagic infarct
MR venography findings	Torcula Herophili, superior sagittal sinus, left transverse sinus and left sigmoid sinus	Multiple cortical veins, straight sinus, distal superior sagittal sinus, torcular and right transverse sinus	Multiple cortical veins, superior sagittal, transverse and sigmoid sinuses
Thrombophilic workup	Low protein C levels	Not available	Raised lupus anticoagulant and raised antiphospholipid IgM antibody

CSF, cerebrospinal fluid.