Clinical Features and Risk Factors of Mortality in Patients with Posterior Reversible Encephalopathy Syndrome

Table 1

Basic characteristics and past history.

Variables	Death group	Survival group	value
Sex (female/male)	3/13	11/65	0.665
Age (years)			0.421
History of hypertension (%)	31.3	17.1	0.195
History of lupus (%)	62.5	32.9	0.027
SBP at presentation (mmHg)^a			0.546
Blood transfusion history within 1 month (%)	31.3	6.6	0.004
Pregnancy (%)	12.5	55.3	0.002
Operation history within 1 month (%)	12.5	1.3	0.077
Hypertension at the onset (%)	87.5	82.9	0.650

^aThe first SBP measured after an attack.