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Baseline patient demographic data
DemographicStatistic (No.) (%)
Age (mean) (range) (yr)47.9 (32–74)
Sex
 Male10 (43.5)
 Female13 (56.5)
Indication for VP shunting
 Obstructive hydrocephalus11 (47.8)
 Congenital hydrocephalus7 (30.4)
 Communicating hydrocephalus3 (13.0)
 Pseudotumor cerebri2 (8.7)
Indication for imaging
 Concern for shunt malfunction11 (47.8)
 Alarming neurologic symptoms6 (26.1)
 Routine follow-up6 (26.1)
Type or brand of shunt (per chart review)
 Programmable shunts8 (34.7)
 Strataa6 (26.1)
 Unspecified2 (8.7)
 Nonprogrammable shunts7 (30.4)
 Codman1 (4.3)
 Raimondi1 (4.3)
 Unspecified5 (21.7)
 Unspecified/no information found8 (34.7)
  • Note:—VP indicates ventriculoperitoneal.
  • ↵a Medtronic, Minneapolis, Minnesota.