Table 3.

Operating Characteristics of the “Elevated Risk” and Individual Risk Criteria on SPRC/SAMHSA Decision Support Tool

	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)
Suicidal behavior outcome at 6 weeks
Thoughts of carrying out a suicide plan	94.5	15.0	8.8	96.9
Suicide intent	81.7	31.5	9.4	95.2
Past suicide attempt	86.2	29.7	9.6	96.1
Significant mental health condition	96.3	9.7	8.5	96.8
Substance use problem	71.6	35.1	8.7	93.5
Irritability/agitation/aggression	93.6	10.3	8.3	94.9
Met decision tool criteria for “elevated risk”	100.0	0.2	8.0	100.0
Suicidal behavior outcome at 12 months
Thoughts of carrying out a suicide plan	94.1	16.4	23.0	91.2
Suicide intent	78.9	32.9	23.7	85.5
Past suicide attempt	81.5	31.1	23.8	86.4
Significant mental health condition	96.5	10.7	22.2	92.1
Substance use problem	69.2	35.6	22.1	81.4
Irritability/agitation/aggression	94.8	11.3	22.0	89.1
Met decision tool criteria for “elevated risk”	100.0	0.3	21.0	100.0

PPV = Positive predictive value; NPV = Negative predictive value;

Note: “Elevated risk” classification was based on having at least one of the six individual risk factors