Table III.

Patient data categorized by final clinical diagnosis: Listed as total study group (SG), after exclusion of two individuals, patients with cognitive impairment (CI), and patients with no cognitive impairment (NCI).

Variable	Cognitive impairment (CI, n = 46)	No cognitive impairment (NCI, n = 33)	Total study group (SG, n = 79)	p-value (CI vs. NCI)
Men, n (%)	24 (52)	8 (24)	32 (41)	0.013
Woman, n (%)	22 (48)	25 (76)	47 (59)	0.013
Age (year)	80.0+5.1	75.2+5.5	77.4+5.9	0.003
Range	65–88	66–87	65–88
Education (years)	9.7+3.6	11.5+3.9	10.4+3.8	0.037
Range	65–88	66–87	65–88
MMSE (points)	24.9+3.7	28.6+1.4	26.5+3.5	0.001
Range	15–30	25–30	15–30
CDT (points)	4.5+1.0	4.9+0.4	4.7+0.9	0.048
Range	1–5	3–5	1–5
AQT colour (seconds)	40.0+13.9	26.2+4.5	34.2+12.9	0.001
Range	19–102	17–39	17–102
AQT form (seconds)	55.7+19.9	36.3+15.5	47.6+20.5	0.001
Range	26–148	26–118	26–148
AQT colour-form (seconds)	102.9+42.6	71.2+21.5	89.6+38.5	0.001
Range	49–223	49–138	49–223

Data are shown as mean + 1 standard deviation (SD) and range (min–max). P-value analysed by chi-square for gender, independent Student;s t-test for age, education, and the test variables MMSE, CDT, and AQT. Significant p-value < 0.05.