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. 2005 Feb 3;5:8. doi: 10.1186/1471-244X-5-8

Table 3.

Validity coefficients of different SSI cutoffs against K-SADS-PL diagnosed significant suicidal ideation at an adolescent sample of 146 outpatients

SSI cutoff 0–1 1–2 2–3 3–4 4–5 5–6 6–7 7–8 8–9 9–10 10–11
Sensitivity 78.7% 76.6% 76.6% 76.6% 68.1% 66.0% 59.6% 59.6% 59.6% 57.4% 51.1%
Specificity 66.7% 73.1% 74.3% 77.2% 78.9% 82.5% 85.4% 88.9% 91.2% 91.8% 93.0%
Youden 0.46 0.50 0.51 0.54 0.47 0.49 0.45 0.49 0.51 0.49 0.44