Baseline patient demographic data
| Demographic | Statistic (No.) (%) |
|---|---|
| Age (mean) (range) (yr) | 47.9 (32–74) |
| Sex | |
| Male | 10 (43.5) |
| Female | 13 (56.5) |
| Indication for VP shunting | |
| Obstructive hydrocephalus | 11 (47.8) |
| Congenital hydrocephalus | 7 (30.4) |
| Communicating hydrocephalus | 3 (13.0) |
| Pseudotumor cerebri | 2 (8.7) |
| Indication for imaging | |
| Concern for shunt malfunction | 11 (47.8) |
| Alarming neurologic symptoms | 6 (26.1) |
| Routine follow-up | 6 (26.1) |
| Type or brand of shunt (per chart review) | |
| Programmable shunts | 8 (34.7) |
| Strataa | 6 (26.1) |
| Unspecified | 2 (8.7) |
| Nonprogrammable shunts | 7 (30.4) |
| Codman | 1 (4.3) |
| Raimondi | 1 (4.3) |
| Unspecified | 5 (21.7) |
| Unspecified/no information found | 8 (34.7) |
Note:—VP indicates ventriculoperitoneal.
↵a Medtronic, Minneapolis, Minnesota.