Table 2.

Mean percent (and standard deviations) of words in formulaic expressions (and formula types taken out of the total number of words in formulas) used by individuals with early- and late-onset Alzheimer’s disease (EO, LO) and healthy control (HC) participants

	EO	LO	HC
Total in formulaic expressions	37.43 (6.42)	33.97 (4.68)	21.79 (4.81)
Speech formulas	53.31 (16.03)	56.84 (13.90)	42.84 (14.73)
Proverbs or idioms	0.70 (1.56)	5.30 (7.16)	6.54 (12.17)
Discourse units	10.12 (3.93)	13.13 (5.23)	10.83 (2.28)
Pause fillers	7.24 (6.43)	1.08 (2.41)	4.12 (4.16)
Expletives	0.17 (0.39)	0.92 (2.26)	0.00 (−)
Sentence stems	28.51 (9.51)	21.59 (7.33)	33.27 (13.74)
Formulaic errors	2.64 (1.69)	3.61 (2.67)	0.00 (−)