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

Table 4

ALPS index, Dx and Dyz of the control, piNPH, and iNPH groups.

	Control	piNPH	iNPH	P values
	(n = 12)	(n = 12)	(n = 12)	Control vs. piNPH	Control vs. iNPH	piNPH vs. iNPH
ALPS (manual)	1.30 ± 0.22	1.01 ± 0.07	0.87 ± 0.07	0.003	< 0.001	< 0.001
ALPS (atlas-based)	1.18 ± 0.08	1.08 ± 0.03	0.94 ± 0.06	0.003	< 0.001	< 0.001
Dx (atlas-based) [× 10^−3mm^2/s]	0.72 ± 0.07	0.78 ± 0.07	0.72 ± 0.08	0.230	1	0.360
Dyz (atlas-based) [× 10^−3mm^2/s]	0.61 ± 0.05	0.72 ± 0.07	0.76 ± 0.07	0.006	< 0.001	0.783

Note. Data are shown as mean ± standard deviation.