Table 3.

ROC-AUC values for the prediction of cognitive impairments in different domains assessed by the NCGG-FAT (word memory, attention, executive function, and processing speed) using acoustic features derived from single tasks.

-	Word memory	Attention	Executive function	Processing speed
Vowel utterance	0.5794 (±0.0150)	0.5669 (±0.0185)	0.5864 (±0.0121) ‡	0.5842 (0.0203)
Tongue twister	0.6180 (±0.0106)	0.6289 (±0.0226)	0.6463 (±0.0113) *	0.7136 (±0.0220) †,§,||
Diadochokinesis	0.6112 (±0.0149)	0.6158 (±0.0157)	0.6346 (±0.0087) *,‡	0.6929 (±0.0203) †,§,||
Short sentence	0.5966 (±0.0139)	0.6234 (±0.0164)	0.6520 (±0.0122) *,‡	0.7025 (±0.0238) †,§,||

*, ^†, ^‡, ^§, ^||: statistically significant difference (p < 0.001) between word memory and executive function; word memory and processing speed; attention and executive function; attention and processing speed; and executive function and processing speed, respectively.