Table 4.

Clinical data for the 15 stage 6 cases at examination closest to onset

Subject	Duration onset and testings (yrs.)	MMSE /30	DRS total /144	DRS Attention /37	DRS Initiation /Perseveration /37	DRS Construction /6	DRS Conceptualization /39	DRS Memory /25	WAIS- Block Design /51	COWAT total raw	AVLT Delayed Recall /15	Boston Naming Test /60	Total UPDRS /108	NPI Total Severity /36
1	1.6	23	109	36	21	6	28	18	23	15	0	8	NA	NA
2	4	22	119	37	31	6	30	15	6	51	0	28	0	NA
3	1.8	30	141	35	37	6	39	24	12	45	4	40	NA	NA
4	2.1	24	110	37	20	6	36	11	NA	10	0	27	7	2
5	2.2	24	118	32	28	6	37	15	NA	28	2	34	0	4
6	0.25	22	107	31	26	6	32	12	10	28	0	26	NA	NA
7	2.5	28	139	35	37	5	39	23	19	30	5	57	1	NA
8	4.3	23	109	33	17	6	35	18	17	0	1	44	8	9
9	1.2	29	130	34	37	5	30	24	NA	29	1	55	3	1
10	1.4	18	104	33	21	5	33	12	5	24	0	NA	NA	2
11	1.7	26	121	36	25	6	37	17	NA	21	5	44	0	0
12	5.6	29	134	34	35	6	38	21	NA	22	2	48	5	0
13	4.2	18	89	29	18	4	25	13	NA	10	0	NA	0	2
14	1.2	13	103	36	20	6	27	14	16	9	1	32	NA	NA
15	5.9	20	117	33	30	5	36	13	NA	39	0	59	0	3

MMSE = Mini-Mental State Examination; DRS = Dementia Rating Scale; UPDRS = Unified Parkinson’s Disease Rating Scale; WAIS = Wechsler Adult Intelligence Scale; COWAT = Control Oral Word Association Test; AVLT = Auditory Verbal Learning Test; NPI-Q = brief questionnaire version of the Neuropsychiatric Inventory.