Cerebrospinal Fluid Biomarkers in Idiopathic Normal Pressure Hydrocephalus

Table 2

Black Scale for assessment of shunt outcome [3].

Excellent	Resumed preillness activity without deficit
Good	Resumed preillness activity with deficit,
	improved in two or more categories
Fair	Improved but did not return to previous work,
	improved in one category
Transient	Temporary major improvement
Poor	No change or worsening
Dead	Died within 6 wk of surgery or as a
	result of surgery