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Table 3 Haematological data

From: Thromboembolic events and haematological diseases: a case of stroke as clinical onset of a paroxysmal nocturnal haemoglobinuria

Laboratory data (units of measurement) Results Normal range
red blood cells (cells/mm3) 2.470.000 4.200.000 – 5.400.000
hemoglobin (g/dl) 7,9 12–16
hematocrit (%) 25 37–45
mean corpuscolar volume (fl) 99,6 81–99
mean corpuscolar hemoglobin (pg) 32 27–31
mean corpuscolar hemoglobin concentration (g/dl) 32 32–36
white blood cells (cells/mm3) 4.040 4.800 – 10.800
Platelets (cells/mm3) 93.000 130.000 – 400.000
Reticulocytes (%) 5,4 <2
haemoblobinuria traces absent
Hemosiderinuria present absent
Coombs'test negative negative
cold agglutinins negative negative
Peripheral blood smear Normal
Bone marrow biopsy slight hyperplasia of erythrocytic cell line
Immunophenotypic profile of peripheral blood cells 15% of deficient CD59 erythrocytes