Diagnostic Performance of Glymphatic System Evaluation Using Diffusion Tensor Imaging in Idiopathic Normal Pressure Hydrocephalus and Mimickers

Table 2

Patient characteristics.

	Control	piNPH	iNPH	P values
	(n = 12)	(n = 12)	(n = 12)	Control vs. piNPH	Control vs. iNPH	piNPH vs. iNPH
Age [years]	75.7 ± 8.4	75.7 ± 9.4	75.3 ± 7.3	1	1	1
Sex [Female, Male]	6, 6	8, 4	4, 8	1	1	1
Clinical symptoms
Gait disturbance [n]	0	10	12	< 0.001	< 0.001	1
Cognitive impairment [n]	0	7	11	0.014	< 0.001	0.465
Urinary incontinence [n]	0	7	10	0.014	< 0.001	1
Imaging indexes
Evans index [degree]	26.9 ± 4.1	34.8 ± 3.4	37.2 ± 2.9	< 0.001	< 0.001	0.444
Callosal angle [degree]	126.8 ± 31.2	120.3 ± 35.5	87.7 ± 17.3	1	0.008	0.047
Ventricular volume [mL]	40.3 ± 16.1	127.5 ± 21.1	161.0 ± 22.4	< 0.001	< 0.001	0.032
PVWH grade [n]
grade 3	0	1	0	0.071	0.314	0.916
grade 2	0	3	2
grade 1	3	5	5
grade 0	9	3	5

Note. Data are shown as mean ± standard deviation.