Reported frequency of signs and symptoms of HELLP syndrome

Sign/symptom	Frequency (%)
Proteinuria	86 to 100
Malaise	90 to 100
Hypertension	82 to 88
Right upper quadrant/epigastric pain	40 to 90
Nausea, vomiting	29 to 84
Headache	33 to 61
Visual changes	10 to 20
Jaundice	5

HELLP: hemolysis, elevated liver enzymes, and low platelets.

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