Table 1.
Information about the patient material and the different types of dural structures visualized by MRI T2-FLAIR
| Patient material | Categories of dural structures | ||||
|---|---|---|---|---|---|
| PSD (no PSDe or De) | PSD + PSDe | PSD + De | PSD + PSDe + De | ||
| n | 53 | 21 (40%) | 20 (38%) | 5 (9%) | 7 (13%) |
| Age (years) | 43.5 ± 15.0 | 39.2 ± 13.8 | 44.1 ± 12.7 | 33.3 ± 6.2 | 62.4 ± 14.4 |
| Gender (female/male) | 39/14 | 16/5 | 14/6 | 5/0 | 4/3 |
| Body mass index (kg/m2) | 27.9 ± 5.2 | 28.6 ± 5.7 | 28.2 ± 4.3 | 27.7 ± 7.8 | 25.5 ± 4.4 |
| Diagnosis | |||||
| Reference subjects | 15 (28%) | 6 (29%) | 6 (30%) | 2 (40%) | 1 (14%) |
| Idiopathic normal pressure hydrocephalus | 3 (6%) | 1 (5%) | 1 (5%) | 0 | 1 (14%) |
| Spontaneous intracranial hypotension | 7 (13%) | 2 (10%) | 3 (15%) | 1 (20%) | 1 (14%) |
| Arachnoid cyst | 9 (17%) | 1 (5%) | 5 (25%) | 0 | 3 (43%) |
| Pineal cyst | 3 (6%) | 1 (5%) | 2 (10%) | 0 | 0 |
| Idiopathic intracranial hypertension | 11 (21%) | 6 (29%) | 3 (15%) | 2 (40%) | 0 |
| Communicating hydrocephalus | 3 (6%) | 2 (10%) | 0 | 0 | 1 (14%) |
| Dementia | 2 (4%) | 2 (10%) | 0 | 0 | 0 |
Data are given as mean ± SE.