Table 3. Cohort Studies to Decrease Suicidal Behavior in At-risk Patients

Treatment Compared Study, Year Study Type Population Age Range (Yrs) Study Design Followup (After Enrollment) Number (%) of Participants with DSH during Followup Reported Statistic
Lithium Use in Week Preceding Suicide or Suicide Attempt vs No Lithium Use Coryell, et al., 200164 Nested case-control Patients treated for major affective disorders identified from 5 academic medical centers; 2 case groups: suicide completers and suicide attempters; controls were matched with cases on sex, polarity at intake, history of substance abuse, and extent of treatment > 17 Two case groups (suicide completers and attempters) and 2 matched control groups to evaluate medication use at time of suicidal behavior Unclear period of time (> 14 yrs) Lithium use:

Completers: 40.0%

Controls of completers: 53.3%

Attempters: 22.0%

Controls of attempters: 19.5%

McNemar chi square: 0.667

McNemar chi square: 0.067

Cognitive Behavioral Counseling vs Usual Care Raj, et al., 200165 Cohort Patients who attempted suicide for the first or second time by overdosing on drugs or pesticides who also had anxiety or depression; patients were excluded if they had psychosis, dysthymia, bipolar affective disorder, substance abuse, eating disorder, or personality disorder 16-50 Sequential allocation to treatment; intervention: 10 sessions of cognitive behavioral therapy with mental health professional plus outreach for 3 mos

Control: standard aftercare

2-3 mos Intervention: 0/20 (0)

Control: 1/20 (5)

NA

Note: DSH, deliberate self-harm; NA, not available.

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