Table 3.

Changes of outcome measures with each outcome group.

	Baseline	12 months	p value*
INPHGS gait score
All patients	2 (2.3-2.6)	1 (1.2-1.7)	< 0.001
Favorable outcome	2 (2.3-2.6)	1 (0.8-1.3)	< 0.001
Unfavorable outcome	2 (2.1-2.7)	2 (1.9-2.8)	ns
iNPHGS cognitive score
All patients	2 (2.1-2.4)	1 (1.3-1.7)	< 0.001
Favorable outcome	2 (2.0-2.5)	1 (1.0-1.5)	< 0.001
Unfavorable outcome	2 (1.8-2.6)	2 (1.6-2.4)	ns
iNPHGS urinary score
All patients	2 (1.7-2.2)	1 (0.8-1.3)	< 0.001
Favorable outcome	2 (1.5-2.1)	1 (0.5-0.9)	< 0.001
Unfavorable outcome	2 (1.8-2.8)	2 (1.4-2.4)	ns
iNPHGS total score
All patients	6 (6.1-7.1)	4 (3.4-4.6)	< 0.001
Favorable outcome	6 (5.9-7.1)	2 (2.4-3.6)	< 0.001
Unfavorable outcome	6 (5.9-7.9)	5 (5.1-7.5)	ns
Timed "up & go" test (seconds)
All patients	20.5 (16-30)	14 (11-20)	< 0.001
Favorable outcome	20 (16.5-28)	13 (10-17)	< 0.001
Unfavorable outcome	22 (15-41)	20 (13-33)	0.004
MMSE
All patients	23 (16.3-26)	25 (20.3-28)	< 0.001
Favorable outcome	23 (15.5-26)	25 (21.5-28)	< 0.001
Unfavorable outcome	23 (17-25)	24 (16-27)	ns

Data are median (75th percentile).

* All p values were obtained using Wilcoxon test. ns: not significant.

iNPHGS: Idiopathic Normal-Pressure Hydrocephalus Grading Scale, MMSE:Mini-Mental State Examination.