Cooper et al developed a clinical tool for evaluating a patient after self-harm. This can help identify a patient who is at risk for recidivism. The authors are from Manchester Royal Infirmary in Manchester, England.
Patient selection: ED patient who has survived a recent attempt at self-harm
Method: recursive partitioning
Evaluation:
(1) previous history of self-harm
(2) previous history of psychiatric treatment
(3) self-harm attempt was an overdose with a benzodiazepine
(4) currently receiving psychiatric treatment
History of Self-Harm
History Rx Psychiatric
Benzo Overdose
Current Rx Psychiatric
Node
Y
NA
NA
NA
A
N
Y
NA
NA
B
N
N
Y
NA
C
N
N
N
Y
D
N
N
N
N
E
Node
Future Self-Harm
A
23%
B
10%
C
12%
D
9%
E
6%
where:
• Items 2, 3 and 4 could be compressed into a single node.
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