Table 1. Prevalence of neuropsychiatric systemic lupus erythematosus (NPSLE) in patients with systemic lupus erythematosus (SLE).

	Number of subjects (percentage of all SLE patients, N = 57)
non-NPSLE	15 (26.3%)
NPSLE	42 (73.7%)
Headache	22 (38.6%)
Migraine	10 (17.5%)
Tension headache	2 (3.5%)
Nonspecific, intractable headache	10 (17.5%)
Cerebrovascular disease (CVD)	13 (22.8%)
Ischaemic stroke	10 (17.5%)
Transient ischemic attack (TIA)	3 (5.3%)
Intracranial hemorrhage	1 (1.8%)
Seizures	8 (14.0%)
Grand mal seizures	6 (10.5%)
Partial simple seizures	2 (3.5%)
Partial complex seizures	1 (1.8%)
Multiple mononeuropathy	6 (10.5%)
Single mononeuropathy	1 (1.8%)
Sensory polyneuropathy	3 (5.3%)
Cranial neuropathy (of the 5th and the 8th nerve)	2 (3.5%)
Myasthenia gravis	1 (1.8%)
Acute confusional state	1 (1.8%)
Cognitive dysfunction	5 (8.8%)
Depressive disorders	11 (19.3%)
Anxiety disorders	6 (10.5%)