Patient characteristics
| Characteristic | Value |
|---|---|
| Sex | |
| Male | 85/186 (45%) |
| Female | 101/186 (54%) |
| Overall age (range) (yr) | 54.8 (18–88) |
| Underlying etiology | |
| Tumor | 12/186 (6%) |
| Posthemorrhagic hydrocephalus | 59/186 (31%) |
| Congenital hydrocephalus | 16/186 (8%) |
| Postinfectious hydrocephalus | 5/186 (2%) |
| Posttraumatic hydrocephalus | 12/186 (6%) |
| Posterior fossa cyst | 2/186 (1%) |
| Idiopathic intracranial hypertension | 23/186 (12%) |
| Normal-pressure hydrocephalus | 40/186 (46%) |
| Aqueduct stenosis | 17/186 (9%) |
| Symptoms | |
| Yes | |
| Headache | 33/186 (17%) |
| Nausea and vomiting | 9/186 (4%) |
| Fatigue | 19/186 (10%) |
| Gait disturbance | 34/186 (18%) |
| Others | 36/186 (19%) |
| Multiple | 5/186 (2%) |
| No | 50/186 (26%) |
| Clinical indication | |
| 24 Hours after implantation | 102/186 (54%) |
| Complication suspected | 84/186 (45%) |
| Secondary findings | |
| Dystelectasis | 7/186 (3%) |
| Pneumonia | 2/186 (1%) |
| Pleural effusion | 6/186 (3%) |
| Nephrolithiasis | 1/186 (0,5%) |
| Incidental tumor findings | 1/186 (0,5%) |
| Abdominal aortic aneurysm | 1/186 (0,5%) |