Clinical and Laboratory Features of Acute Porphyria: A Study of 36 Subjects in a Chinese Tertiary Referral Center

Table 1

Clinical features and laboratory findings of acute porphyria.

Clinical manifestation ( = 36)
Abdominal pain	32
Cyclical attacks	28
Constipation	26
Confusion	16
Convulsions	12
Tachycardia	10
Paresis	5
Numbness of extremities	3
Hypertension	3
Respiratory paralysis	2
Laboratory findings
Hyponatremia	29
Severe hyponatremia (<125 mEq/L)	14
Serum Na (mEq/L)	123.0 ± 10.7
Transaminase elevation	22
ALT (U/L)	69.5 ± 56.3
Anemia	10
Hemoglobin (g/L)	117.6 ± 17.9