Capacity of Forensic Patients to Consent to Research: The Use of the MacCAT-CR

Article Figures & Data

Table 1

Diagnosis by Consent Category

	Refused	Consented	Withdrew/Ambivalent	Incapable	Total
Total	5 (5)	65 (61)	30 (28)	6 (6)	106
Schizophrenia	2 (4)	34 (74)	8 (17)	2 (4)	46 (44)
Schizoaffective	0 (0)	20 (57)	11 (31)	4 (11)	35 (34)
Other disorders	3 (13)	9 (39)	11 (48)	0 (0)	23 (22)

Data are the number in each category, with the percentage of the total in parentheses.

Table 2

Mean MacCAT-CR Scores by Consent

	Refused	Consented	Withdrew/Ambivalent	Incapable	Total
Understanding	19.80 (2.86)	18.40 (4.05)	18.97 (3.78)	6.00 (3.74)	17.89 (4.91)
Appreciation	3.80 (1.48)	3.82 (1.31)	4.30 (0.92)	1.67 (1.03)	3.83 (1.32)
Reasoning	3.00^*	4.55 (1.31)	4.28 (1.41)	1.33 (1.51)	4.27 (1.54)
Expressing choice	1.80 (0.45)	1.97 (0.17)	1.67 (0.48)	1.67 (0.52)	1.86 (0.35)

Table 4

Mean MacCAT-CR Subscale Scores by Diagnostic Group

	Understanding   (0–26)^*	Appreciation   (0–6)	Reasoning   (0–8)	Choice   (0–2)
Schizophrenia	17.1 (2–25)	3.87 (1–6)	4.18 (0–7)	1.83 (0–2)
Schizoaffective	17.47 (3–25)	3.57 (0–6)	4.17 (0–8)	1.77 (0–2)
Other disorders	19.9 (13–26)	4.1 (1–5)	4.5 (2–8)	1.83 (1–2)