Is cognitive impairment associated with reduced syntactic complexity in writing? Evidence from automated text analysis

Figures & data

Table 1. Number of patients, gender, age, years of formal education and MMSE score for each diagnostic group, presented as mean values and standard deviation

Diagnosis	N	Male/Female	Age	Education	MMSE score
SCI	28	9/19	58.7 (9.7)	10.9 (3.1)	28.7 (0.9)
MCI	41	14/27	62.5 (10.6)	11.4 (4.1)	26.6 (4.2)
AD	45	18/27	67.4 (8.8)	10.5 (3.9)	22.1 (4.4)
Total	138	49/89	63.6 (10.3)	10.7 (3.6)	28.7 (0.9)

Table 2. ADD, ID, and number of words for each diagnostic group presented as mean values and standard deviation

Diagnosis	ADD	ID	Words
SCI	2.47 (0.60)	4.12 (0.54)	54.07 (28.05)
MCI	2.16 (0.40)	4.32 (0.53)	35.44 (15.64)
AD	1.82 (0.58)	4.01 (0.94)	22.64 (11.08)
Total	2.10 (0.58)	4.15 (0.73)	34.96 (21.76)