. 2005 Sep 21;32(1):116–120. doi: 10.1093/schbul/sbi066

Table 2.

Decisional Capacity Scores on the MacArthur Competence Assessment Tool for Clinical Research for Schizophrenia and Healthy Comparison Groups (mean [SD])

MacCAT-CR Variable	Schizophrenia Baseline	Schizophrenia Postintervention	Comparison Group
Understanding (0–26)	22.37 (4.18)^a	23.57 (3.71)^b	24.60 (1.81)^b
Appreciation (0–6)	5.23 (0.77)^a	5.40 (0.93)^a–b	5.70 (0.70)^b
Reasoning (0–8)	5.00 (1.62)	5.37 (1.69)	4.93 (1.23)
Choice (0–2)	1.97 (0.18)	2.00 (0.00)	1.97 (0.18)

Note: Possible ranges for variables are shown in parentheses. Across rows, values not sharing a common superscript letter are significantly different based on 2-tailed t-tests (see text for t-scores).