Table 1.

Descriptive statistics of ADAMTS13 method comparison

Retest reliability (only AcuStar)	AcuStar	AcuStar	Pearson R p value	t test p value
Number of values	25	25
Median (range)	23.5 (1.4–83.9)	23.1 (1.5–96.8)	0.99; p < 0.0001	0.83
5%, 95% Percentile	1.6, 75.5	1.7, 85.6

Material preparation (only AcuStar)	Fresh (AcuStar)	Frozen (AcuStar)	Pearson R p value	t test p value
Number of values	6	6
Median (range)	97.9 (77.1–120.1)	85.7 (69.3–113.3)	0.81; p = 0.05	0.08
5%, 95% Percentile	77.1, 120.1	69.3, 113.3

Method Comparison	TECHNOZYM	AcuStar	Pearson R p value	t test p value
Number of values	24	24
Median (range)	23,25 (2.9–48.2)	22.25 (1.5–57.7)	0.929; p < 0.0001	0.06
5%, 95% Percentile	2.9, 47.9	1.6, 55.9

ADAMTS13 Subgroups	TECHNOZYM	AcuStar
0–10% (median, range)	7.2 (2.9–9.8)	4.0 (1.5–7.0)	0.87; < 0.001	0.001
10–30% (median, range)	22.0 (10.3–29.0)	21.2 (7.2–26.5)	0.99; < 0.001	0.005
> 30% (median, range)	43.0 (35.0–48.2)	35.8 (24.6–57.7)	0.21; 0.57	0.41
caTTP (median, range)	7.7 (2.9–11.0)	4.3 (1.5–10.2)	0.88; < 0.001	0.001
No TTP	38.0 (10.3–48.2)	30.4 (7.2–57.7)	0.82; < 0.001	0.23