. 2017 Sep 19;10:31–40. doi: 10.1016/j.dadm.2017.08.005

Table 5.

Empty emissions analysis, total idea density analysis, latent semantic analysis, and number of modalizations

Item	Group			Kruskal-Wallis test (P)	Tukey multiple comparison test (P)	Results
Item	aMCI	mAD	HC	Kruskal-Wallis test (P)	Tukey multiple comparison test (P)	Results
Empty emissions
Mean	11.40	27.10	12.55		(aMCI × mAD) (P) = .002^∗
Median	8.50	22.50	9.00	.001^∗	(aMCI × HC) (P) = .964	mAD > aMCI = HC
Standard deviation	8.57	19.55	11.99		(mAD × HC) (P) = .005^∗
n	20	20	20
Total idea density
Mean	0.38	0.32	0.37		(HC × aMCI) (P) = .799
Median	0.39	0.33	0.38	.003^∗	(HC × mAD) (P) = .006^∗	HC = aMCI > mAD
Standard deviation	0.05	0.06	0.04		(aMCI × mAD) (P) = .001^∗
n	20	20	20
Average between adjacent sentences
Mean	0.26	0.33	0.29		(HC × aMCI) (P) = .631	HC = aMCI
Median	0.27	0.33	0.30	.009^∗	(HC × mAD) (P) = .186	HC = mAD
Standard deviation	0.06	0.11	0.05		(aMCI × GDA) (P) = .025^∗	aMCI < mAD
n	20	20	20
Average similarity between all sentence pairs in the text
Mean	0.22	0.28	0.24		(HC × aMCI) (P) = .427	HC = aMCI
Median	0.22	0.28	0.25	.022^∗	(HC × mAD) (P) = .171	HC = mAD
Standard deviation	0.05	0.09	0.04		(aMCI × mAD) (P) = .009^∗	aMCI < mAD
n	20	20	20
Standard deviation between all pairs of sentences
Mean	0.21	0.24	0.21		(HC × aMCI) (P) = .812
Median	0.21	0.24	0.21	.022^∗	(HC × mAD) (P) = .017^∗	HC = aMCI < mAD
Standard deviation	0.03	0.05	0.02		(aMCI × mAD) (P) = .075
n	20	20	20
Modalizations
Mean	0.90	5.90	0.40		(aMCI × mAD) (P) = .002^∗
Median	0.00	2.50	0.00	<.001^∗	(aMCI × HC) (P) = .934	mAD > aMCI = HC
Standard deviation	1.25	7.62	0.99		(mAD × HC) (P) = .001^∗
n	20	20	20

Abbreviations: aMCI, amnestic mild cognitive impairment; mAD, mild Alzheimer's disease; n, number of individuals; HC, healthy control.

^∗

Statistical difference.