Table 1. A high plasmablast frequency is... | American Society of Hematology

Table 1.

A high plasmablast frequency is associated with a higher ADAMTS13 IgG antibody level at acute iTTP presentation

	Plasmablasts <3% (n = 5)	Plasmablasts >3% (n = 17)	P*
ADAMTS13 antigen %, median (range)	5 (0.4-86)	1.9 (0.6-2.2)	.4
ADAMTS13 IgG antibody %, median (range)	32 (2-113)	64 (52-127)	.02†

	Plasmablasts <3% (n = 5)	Plasmablasts >3% (n = 17)	P*
ADAMTS13 antigen %, median (range)	5 (0.4-86)	1.9 (0.6-2.2)	.4
ADAMTS13 IgG antibody %, median (range)	32 (2-113)	64 (52-127)	.02†

Mann-Whitney U test.

indicates statistical significance (ie, P < .05).