Table 1.

The main findings from NTA.

	Original plasma	20K pellets	P-value	100K pellets	P-value
Unwashed pellets (n = 12)
Particle concentration (part./ml)	1,66E+12 ± 1,28E+12	9,23E+10 ± 4,37E+10	<0.01	1,31E+11 ± 8,85E+10	<0.01
Mean particle size (nm)	85 ± 13	119 ± 14	<0.001	106 ± 11	<0.001
Washed pellets (n = 6)
Particle concentration (part./ml)	1,45E+12 ± 9,34E+11	5,73E+09 ± 1,24E+09	<0.05	8,31E+09 ± 2,97E+09	<0.05
Mean particle size (nm)	82 ± 6	158 ± 11	<0.0001	126 ± 12	<0.001

Significantly less particles were present in the pellets compared to the original donor plasma, but these had a larger mean particle size. A series of 5 × 30 s videos were taken for each sample. P values are representing the findings from the pellets compared against the original donor plasma. The videos were captured at camera level 10 and the particles tracked at detection threshold 2 with 9 × 9 blur.