Comparing Cognitive Profiles of Licensed Drivers with Mild Alzheimer’s Disease and Mild Dementia with Lewy Bodies

Table 1

One-way ANOVA between controls (Ctrls), mild DLB, and mild AD on neuropsychological tests.

Neuropsych. tests	Mean AD	SD AD	Mean DLB	SD DLB	Mean Ctrls	SD Ctrls	df
MMSE	24.00	4.86	22.40	2.80	29.00	1.30	2, 53	19.99	<.001
DRS total	115.00	12.96	108.60	17.57	136.38	4.43	2, 53	26.78	<.001
Attention	35.15	2.06	33.00	4.31	36.29	.72	2, 53	7.19	.002
Initiat./persever.	27.20	7.43	27.47	5.59	34.91	3.25	2, 53	11.81	<.001
Construction	5.80	.52	4.00	1.25	6.00	.00	2, 53	39.12	<.001
Conceptualization	32.80	3.49	30.40	6.87	35.52	1.81	2, 53	6.48	.003
Memory	14.05	3.79	13.73	3.24	23.67	0.80	2, 53	76.53	<.001
BNT	43.00	12.30	46.6	9.74	53.62	3.26	2, 53	7.16	.002
VOSP	107.50	13.26	96.40	11.85	113.43	7.67	2, 53	10.44	<.001
VOSP1 (map search)	18.50	3.10	17.27	2.71	19.24	1.30	2, 53	2.83	.068
VOSP2 (elevator counting)	15.30	5.00	14.13	3.11	18.62	4.56	2, 53	5.24	.008
VOSP3 (elevator counting with distraction)	16.35	2.49	14.60	2.38	17.29	1.77	2, 53	6.47	.003
VOSP4 (visual elevator)	13.35	4.04	15.20	2.98	12.81	3.25	2, 53	2.16	.125
VOSP5 (elevator counting with reversal)	9.55	1.95	8.27	1.28	9.67	0.48	2, 53	5.26	.008
VOSP6 (telephone search)	17.85	3.34	16.93	4.43	19.14	1.11	2, 53	2.30	.110
VOSP7 (telephone search while counting)	9.45	3.30	6.13	3.38	8.62	1.91	2, 53	5.96	.005
VOSP8 (lottery)	7.15	2.78	3.87	3.66	8.05	2.73	2, 53	8.89	<.001
VOSP object (1–4)	63.50	7.13	61.20	4.35	67.95	5.82	2, 53	6.02	.004
VOSP space (5–8)	44.00	7.41	35.20	10.58	45.48	4.62	2, 53	8.95	<.001
TEA1: 1 minute (incomplete letters)	19.85	14.68	9.47	4.44	28.62	10.26	2, 53	13.17	<.001
TEA1: 2 minutes (incomplete letters)	30.35	19.71	14.93	9.16	52.19	11.87	2, 53	29.49	<.001
TEA2 (silhouettes)	6.75	.72	5.87	1.69	7.05	0.74	2, 53	5.38	.007
TEA3 (object decisions)	4.30	2.62	4.87	2.59	7.29	2.90	2, 53	6.86	.002
TEA4: raw score (progressive silhouettes)	3.05	3.25	2.73	3.15	6.91	1.95	2, 53	13.38	<.001
TEA5 (dot counting)	1.60	1.70	1.67	1.40	4.81	2.11	2, 53	20.54	<.001
TEA6 (position discrimination)	8.66	8.35	11.66	8.98	3.93	1.01	2, 53	5.93	.005
TEA7 (number location)	64.21	135.01	9.45	6.56	2.23	1.46	2, 53	3.45	.039
TEA8 (cube analysis)	3.75	3.04	4.00	3.00	7.95	1.69	2, 53	16.30	<.001
UFOV1 (processing speed)	143.15	142.79	272.07	120.32	24.91	16.74	2, 53	23.91	<.001
UFOV2 (divided attention)	406.10	130.90	432.20	135.17	152.52	116.45	2, 53	28.91	<.001
UFOV3 (selective attention)	452.40	90.86	490.20	37.96	304.76	115.13	2, 53	21.85	<.001
DRS differences	7.65	5.36	5.73	4.94	4.00	3.38	2, 53	3.24	.047
Attention	3.00	6.10	3.53	3.54	0.81	0.75	2, 53	2.35	.062
Initiat./persever.	5.10	4.19	2.93	3.63	2.38	3.35	2, 53	2.93	.062
Construction	.95	3.12	1.40	1.24	0.00	0.00	2, 53	2.42	.098
Conceptualization	4.85	7.53	2.80	2.27	2.10	1.84	2, 53	1.79	.177
Memory	2.95	5.71	2.47	1.99	1.10	0.70	2, 53	1.46	.242