Table 12.

CCTI Raw Score Conversion to Age-Corrected Scaled Score for Midpoint Age=80 (Age Range=75-86).

Scaled Score	Vig A Reason (n=40)	Vig A Understand (n=40)	Vig A Total (n=40)	Vig B Reason (n=45)	Vig B Understand (n=45)	Vig B Total (n=45)	Reason Total (n=40)	Understand Total (n=40)	CCTI Total (n=40)	%ile
2	<1	<17	<27			<24	<1	<41	<54	<1
3	1	17	27			24	1	41	54	1
4				0	22	25-28	2		55	2
5		18	28	1	23-24	29-33	3	42-44	56-62	3-5
6		19	29		25	34	4	45-46	63-64	6-10
7	2	20-23	30-33		26-27	35	5	51-52	65-70	11-18
8	3	24-25	34-35	2	28	36	6	53-54	71-73	19-28
9		26	36-37	3	29	37	7	55-57	74-78	29-40
10	4-5	27-30	38-42	4	30-32	38-41	8	58-63	79-85	41-59
11		31-32	43-44		33-34	42-43	9	64-66	86-89	60-71
12	6	33-35	45-46	5	35-36	44-47	10	67-69	90-92	72-81
13		36	47-49		37	48-49	11	70-71	93-94	82-89
14		37-38	50-51	6	38-39	50-51	12	72-73	95-99	90-94
15		39	52		40	52		75-76	100	95-97
16		40			41-43	53-55		77-82	101	98
17		41	53		44	56		83	102	99
18		>41	>53		>44	>56		>83	>102	>99

Note. Vig A=Vignette A, Vig B=Vignette B, Reason=Reasoning, Understand=Understanding, CCTI=Capacity to Consent to Treatment Instrument.