TABLE 1.
Mapping algorithms (How the ISST-Plus, S-STS, and C-SSRS map to FDA-CASA 2012)
| FDA-CASA 2012 CODE NUMBER | FDA-CASA 2012 CLASSIFICATION | ISST-PLUS MAP TO FDA-CASA 2012* | S-STS MAP TO FDA-CASA 2012 | C-SSRS MAP TO FDA-CASA 2012 |
|---|---|---|---|---|
| 1 | “Passive suicidal ideation” | Yes if: Part I, Item 1≥1 | A positive response to 2 | A “yes” response to item 1: “Wish to be Dead” |
| 2 | “Active suicidal ideation: nonspecific (no method, intent, or plan)” | Yes if: (Part I, Item 4≥1 OR Part I, Item 5≥1) AND Part I Items 10, 11, 12=0 | A positive response to 3 AND a negative response to 4, 5, 6, and 7 | A “yes” response to item 2: ‘Nonspecific Active Suicidal Thoughts” |
| 3 | “Active suicidal ideation: method, but no intent or plan” | Yes if: (Part I, Item 4≥1 OR Part I, Item 5≥1) AND Part I, Item 10≥1; AND Part I, Items 11, 12=0 | A positive response to 3 and 4 AND a negative response to 5, 6, and 7 | A “yes” response to item 3: “Active Suicidal Ideation With Any Methods (no plan) Without Intent to Act” |
| 4 | “Active suicidal ideation: method and intent, but no plan” | Yes if: (Part I, Item 4≥1 OR Part I, Item 5≥1) AND Items 10 and 12≥1; AND Item 11=0 | A positive response to 3 and 4 and (6 or 7) and a negative response to 5 | A “yes” response to Item 4: “Active Suicidal Ideation With Some Intent to Act, Without Specific Plan” |
| 5 | “Active suicidal ideation: method, intent, and plan” | Yes if: (Part I, Item 4≥1 OR Part I, Item 5≥1) AND Part I, Items 10, 11, and 12 ≥1 | A positive response to 3, 4, and 5 and (6 or 7) | A “yes” response to item 5: “Active Suicidal Ideation With Specific Plan and Intent” |
| 6 | “Completed suicide” | Yes if: Part III coded as 6 | A “yes” response to 13 | NA |
| 7 | “Suicide attempt” | Yes if: “Yes” on Part II, Item 1.2 OR “yes” on Part II, Item 1.3 | A positive response to 10 or 16 OR a “yes” response to 1b | A “yes” response to “Actual Attempt” |
| 8 | “Interrupted suicide attempt” | Yes if: Part II, Item 2.3≥1 | A positive response to 8 with at least one Level 3 on 12 | A “yes” response to “Interrupted Attempt” |
| 9 | “Aborted suicide attempt” | Yes if: Part II, Item 2.2≥1 | A positive response to 8 with at least one Level 2 on 12 | A “yes” response to “Aborted Attempt” |
| 10 | “Preparatory acts toward imminent suicidal behavior”—”not counting aborted or interrupted attempts” | Yes if: Part II, Item 1.4=Yes | A positive response to 8 with at least one Level 1 on 12 | A “yes” response to “Preparatory Acts or Behavior” |
| 11 | “Self-Injurious Behavior Without Suicidal Intent” | Yes if: Part II, Item 1.1=Yes; AND Part II, Item 1.2=No | A positive response to 9 OR a positive response to 1a and a negative response to 1b | A “yes” response to “Has subject engaged in Non-Suicidal Self-Injurious Behavior?” |
| 12 | “Self-injurious behavior, intent unknown” | Yes if: Part II, Item 1.1=Yes; AND Part II, Item 1.2=unknown/NA | A positive response to 1a with 1b and 6 and 7 and 10 unanswered | NA |
| 13 | “Not enough information (fatal)” | Yes if: Part III scored 8 | A “yes” response to 14 | NA |
| 14 | “Not enough information (nonfatal)” | Yes if: Part II, Item 1.0=Unknown/NA OR Part II, Item 1.1=Unknown/NA | Yes if question 17 is “yes” and FDA-CASA 2012 code numbers 1-13 are ALL “no” | NA |
| 15 | “Other (accidental, psychiatric medical), no deliberate self-harm” | Yes if: Part II, Item 1.0=Yes AND Part II, Item 1.1=No | (A positive or blank response to 1 and a negative response to questions 2, 3, 4, 5, 6, 7, 8, 9, 10, 13, and 14) OR a positive response to 15 | NA |
*
For each separate event, only the most severe categorization was counted. All separate events were assessed.
ISST-Plus: InterSePT Scale for Suicidal Thinking-Plus; S-STS: Sheehan-Suicidality Tracking Scale; C-SSRS: Columbia-Suicide Severity Rating Scale; FDA-CASA 2012: United States Food and Drug Administration-Classification Algorithm of Suicide Assessment; NA: not applicable