Table 6.

Pairwise Kruskal–Wallis H-test results for the linguistic and cognitive biomarkers that were statistically significant (p < 0.05) in the TDU, RP, and SS tasks, respectively, within the six data sets analyzed.

Statistics linguistic and cognitive biomarkers
Data set	Task	Biomarker	Sample (n)		H	p-value	OB	η2	AUROC
			1	2
NLS	SS	RHYSTD	CN (n = 33)	PD (n = 23)	5.37	0.02	↓	0.08	0.67
	RP	RHYSTD	CN (n = 32)	PD (n = 22)	3.88	0.048	↑	0.06	0.65
GermanPD	SS	WORDCNT	CN (n = 88)	PD (n = 88)	16.22	<0.001	↓	0.08	0.68
		SENTCNT	CN (n = 88)	PD (n = 88)	7.86	0.005	↓	0.04	0.62
		NOUNCNT	CN (n = 88)	PD (n = 88)	14.11	<0.001	↓	0.07	0.66
		AUXCNT	CN (n = 88)	PD (n = 88)	11.85	0.001	↓	0.06	0.65
		NPCNT	CN (n = 88)	PD (n = 88)	9.96	0.003	↓	0.05	0.64
		PPCNT	CN (n = 88)	PD (n = 88)	13.50	<0.001	↓	0.07	0.64
		RHYSTD	CN (n = 88)	PD (n = 88)	19.35	<0.001	↓	0.10	0.69
Neurovoz	TDU	RHYSTD	CN (n = 46)	PD (n = 43)	15.27	<0.001	↓	0.16	0.74
	SS	WORDCNT	CN (n = 46)	PD (n = 43)	10.56	0.01	↓	0.11	0.74
		SENTCNT	CN (n = 46)	PD (n = 43)	13.37	0.003	↓	0.14	0.83
		NOUNCNT	CN (n = 46)	PD (n = 43)	7.06	0.01	↓	0.07	0.74
		VERBCNT	CN (n = 46)	PD (n = 43)	11.22	0.006	↓	0.11	0.80
		AUXCNT	CN (n = 46)	PD (n = 43)	7.11	0.01	↓	0.07	0.74
		NPCNT	CN (n = 46)	PD (n = 43)	8.84	0.01	↓	0.09	0.77
		VPCNT	CN (n = 46)	PD (n = 43)	6.91	0.01	↓	0.07	0.74
		RHYSTD	CN (n = 46)	PD (n = 43)	6.01	0.01	↓	0.06	0.72
		IU	CN (n = 46)	PD (n = 43)	5.21	0.02	↓	0.05	0.70
ItalianPVS GITA	RP	RHYSTD	CN (n = 21)	PD (n = 26)	16.99	<0.001	↑	0.35	0.81
	TDU	RHYSTD	CN (n = 21)	PD (n = 26)	3.91	0.047	↑	0.06	0.67
	TDU	RHYSTD	CN (n = 50)	PD (n = 50)	4.07	0.04	↓	0.03	0.62

OB, observed behavior.

↑ means increasing, ↓ means decreasing.