Table 2.

Scoring of the capacity to vote (CAT-V^a competency assessment tool for voting) of 68 patients with dementia and 25 controls (elderly without dementia).

	Alzheimer's		Elderly
Item and scoreb	N	%	N	%
Doe criteriac
Understanding nature of the vote
2	18	26.5	24	96
1	18	26.5	1	4
0	32	46.1	0	—
Understanding effect of the vote
2	6	8.8	18	72
1	24	35.3	7	28
0	38	55.9	0	—
Vote choice
2	1	1.5	8	32
1	16	23.5	17	68
0	51	75	0	—
Total Doe score
6	0	—	7	28
5	3	4.4	12	48
4	8	11.8	5	20
3	11	16.2	1	4
2	9	13.2	0	—
1	10	14.7	0	—
0	27	39.7	0	—
Additional itemsa
Comparative reasoning
2	0	—	7	28
1	12	17.6	18	72
0	56	82.4	0	—
Consequential reasoning
2	1	1.5	14	56
1	23	33.8	11	44
0	44	64.7	0	—
Appreciation
2	13	19.1	21	84
1	32	47.1	4	16
0	23	33.8	0	—

^a CAT-V.: test to evaluate the capacity to vote, created by Appelbaum et al., 2005 [2].

^bDescending order.

^cAccording to Doe versus Rowe criteria for competence to vote of 2001 [5].