Table 4 Exploratory correlations between P-RSF scores and UPDRS-III scores.

	Correlations between P-RSF scores on the AT and UPDRS-III scores		Correlations between P-RSF scores on the nAT and UPDRS-III scores
	r-value	p-value	r-value	p-value
All PD patients	−0.171	0.29^a	−0.163	0.31^b
PD-nMCI patients	0.147	0.49^a	0.029	0.89^b
PD-MCI patients	−0.056	0.84^b	−0.184	0.49^a

DUPDRSIII part III of the Unified Parkinson’s disease Rating Scale, PD Parkinson’s disease, PD-nMCI Parkinson’s disease without mild cognitive impairment, PD-MCI Parkinson’s disease with mild cognitive impairment.
^aBased on Pearson’s correlations, given the data distribution.
^bbased on Spearman’s correlations, given the data distribution.

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