Table 3.

The Patient’s Coagulation Studies and ADAMTS13 Level at Presentation Are Shown.

Test name	Patient result	Normal range
Prothrombin time (PT)	11	9.7-13 seconds
International normalized ratio (INR)	1.2	0.9-1.3
Partial thromboplastin time (PTT)	26	23.0-32.4 seconds
d-dimer	<500	< or = 500 ng/mL Fibrinogen Equivalent Units
ADAMTS13 enzyme level	10	>10%