Secondary NPH (n = 17) Mean (SD), frequency | Idiopathic NPH (n = 18) Mean (SD), frequency | |
---|---|---|
Age (years) | 65 (10); range 49–79 | 68 (15.7); range 19–86 |
Males/Females | 12/5 | 11/7 |
Duration of symptoms (months) | 16 (19); range 2–60 | 40 (37); range 11–164 |
Etiology | ||
Subarachnoid hemorrhage | 9 (53%) | |
Cerebrovascular disorder | 4 (23%) | |
Trauma | 2 (12%) | |
Other* | 2 (12%) | |
Cerebrovascular risk factors | ||
Hypertension | 4 (23%) | 5 (28%) |
Cardiovascular disorder | 3 (18%) | 5 (28%) |
Diabetes | 1 (6%) | 2 (11%) |