Pierce Suicidal Intent Scale

Suicide risk: the intent score scale and risk of repetition scale

Intent score scale
Add scores for each Area. Evaluation of risk appears at the end.

Circumstances relating to suicidal atttempt

Isolation
0 Somebody present
1 Somebody nearby or in contact (as by phone)
2 No-one nearby or in contact

Timing
0 Timed so that intervention is probable
1 Timed so that intervention is unlikely
2 Timed so that intervention is highly unlikely

Precautions against discovery
0 No precautions
1 Passive precautions eg avoiding others but doing nothing to prevent their intervention (eg alone in room, door unlocked)
2 Active precautions (eg locked doors)

Acting to gain help during or after attempt
0 Notified helper regarding attempt
1 Contacted but did not specifically notify helper regarding the attempt
2 Did not contact or notify potential helper

Final acts in anticipation of death
0 None
1 Partial preparation or ideation
2 Definite plans made (eg changes in will, taking out insurance)

Suicide note
0 No note
1 Note written but torn up
2 Presence of note

Self report Patient's statement of lethality
0 Thought that what he had done would not kill him
1 Unsure whether what he had done would kill him
2 Believed that what he had done would kill him

Stated intent
0 Thought that what he had done would not kill him
1 Unsure whether what he had done would kill him
2 Believed that what he had done would kill him

Premeditation
0 Impulsive, no premeditation
1 Considered act for approx 1 hour
2 Considered act for approx 1 day
3 Considered act for more than 1 day

Reaction to act
0 Patient glad he had recovered
1 Patient uncertain whether he is glad or sorry
2 Patient sorry he has recovered

Risk Predictable outcome in terms of lethality of patient's act and circumstances known to him
0 Survival certain
1 Death unlikely
2 Death likely or certain

Would death have occured without medical treatment?
0 No
1 Uncertain
2 Yes

Total score:
0-3 Low risk
4-10 Medium risk
11+ High risk

Risk of repetition scale:
Antisocial personality
Problem alcohol use
Not living with a relative
Previous out-patient psychiatric care
Previous suicide admission
Previous in-patient psychiatric care
Scoring: 5+ = significant risk of repetition