Table 2.

Results of the three linear models with mixed effects built on the responsive variables stride length, cadence and total time (Eq. 1) from gait analysis data of TUG and 18 mW at baseline, T24 h and T72 h

	TUG			18 mW
		Value	p-value		Value	p-value
Stride length [cm]	(Intercept)	140.3	0.000	(Intercept)	157.2	0.000
	T24 h	−0.1	0.878	T24 h	1.8	0.023 *
	T72 h	1.4	0.113	T72 h	3.1	0.027 *
	v-iNPH vs p-iNPH	−3.5	0.237	v-iNPH vs p-iNPH	−5.5	0.164
	double support duration	−1.6	0.000 ***	double support duration	−1.9	0.000 ***
	PCI	−0.02	0.024 *	PCI	−0.1	0.001 ***
	n. turning steps	−2.0	0.000 ***
Cadence [strides/min]	(Intercept)	58.8	0.000	(Intercept)	63.3	0.000
	T24 h	1.8	0.009 **	T24 h	1.5	0.000 ***
	T72 h	2.4	0.001 ***	T72 h	1.7	0.018 *
	v-iNPH vs p-iNPH	−0.6	0.774	v-iNPH vs p-iNPH	−0.7	0.654
	double support duration	−0.3	0.000 ***	double support duration	−0.4	0.000 ***
	PCI	−0.01	0.006 **	PCI	0.1	0.000 ***
	n. turning steps	0.4	0.015 *
Total time [s]	(Intercept)	−10.5	0.000	(Intercept)	−10.8	0.001
	T24 h	−1.8	0.190	T24 h	−2.9	0.108
	T72 h	−2.8	0.031 *	T72 h	−2.7	0.160
	v-iNPH vs p-iNPH	0.4	0.677	v-iNPH vs p-iNPH	2.0	0.137
	double support duration	0.6	0.000 ***	double support duration	1.2	0.000 ***
	PCI	0.1	0.000 ***	PCI	0.2	0.000 ***
	n. turning steps	1.7	0.000 ***
	Sit-down duration	0.5	0.000 ***
	Stand-up duration	0.5	0.005 **

T24 h and T72 h post 24 and 72 h the CSF tap test;

v-iNPH vs p-iNPH pure iNPH group vs iNPH with vascular encephalopathy comorbidity group;

PCI phase coordination index;

Values of stride length are expressed in cm, of cadence in strides/min, of total time in s;

Significance codes: ‘***’ p < 0.001, ‘**’ p < 0.01, ‘*’ p < 0.05