. Author manuscript; available in PMC: 2016 Nov 1.

Published in final edited form as: Psychooncology. 2015 Jan 23;24(11):1448–1455. doi: 10.1002/pon.3753

Table 2.

Comparisons between Controls and Patients with Brain Metastases on CCTI Consent Standards (S)

Measures	Range	Controls n = 41	Patients with Brain Metastases n = 41	t , z, or χ²	df	p ^†
S1, expressing choice	0–2	1.95 (0.22)	1.98 (0.16)	.346	1	.500
S3, appreciation	0–4	3.66 (0.73)	3.34 (1.02)	−1.668	N/A	.095
S4, reasoning	0–8	4.76(1.26)	3.32 (1.88)	4.632	70.0	<.001
S5, understanding	0–41	33.61 (5.33)	26.76 (9.05)	5.308	64.8	<.001

Values are mean (SD).

^†

p value for t test of group differences (S4 and S5), Wilcoxon test (S3), or Fisher's exact test (S1).