Table 2. Morphologic properties of... | American Society of Hematology

Table 2.

Morphologic properties of individual VWF molecules (mean ± SD) after 15 minutes of perfusion of collagen-coated coverslips with 1 μg/mL VWF

Shear stress	0.07 N/m²	4.55 N/m²
Number of measured molecules	599	896
Surface coverage, %	5.7	6.0
Mean area, square pixels	182 ± 149	128 ± 93
Mean perimeter, pixels	74 ± 45	59 ± 32
Mean major axis length, pixels	20 ± 10	17 ± 7
Mean major axis angle, degrees	− 4 ± 43	7 ± 42
Mean minor axis length, pixels	12 ± 5	10 ± 4
Mean minor axis angle, degrees	13 ± 61	3 ± 63
Mean eccentricity	1.80 ± 0.6	1.80 ± 1.2
Mean roundness	0.48 ± 0.18	0.50 ± 0.17
Mean feret diameter, pixels	14 ± 5	12 ± 4

Shear stress	0.07 N/m²	4.55 N/m²
Number of measured molecules	599	896
Surface coverage, %	5.7	6.0
Mean area, square pixels	182 ± 149	128 ± 93
Mean perimeter, pixels	74 ± 45	59 ± 32
Mean major axis length, pixels	20 ± 10	17 ± 7
Mean major axis angle, degrees	− 4 ± 43	7 ± 42
Mean minor axis length, pixels	12 ± 5	10 ± 4
Mean minor axis angle, degrees	13 ± 61	3 ± 63
Mean eccentricity	1.80 ± 0.6	1.80 ± 1.2
Mean roundness	0.48 ± 0.18	0.50 ± 0.17
Mean feret diameter, pixels	14 ± 5	12 ± 4