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. Author manuscript; available in PMC: 2014 May 27.
Published in final edited form as: J Clin Psychiatry. 2011 Jul 12;72(8):1027–1033. doi: 10.4088/JCP.10m06410

Table 2.

Patient Characteristics

Variable Yes No P
Columbia Suicide History Form
  Deliberate attempts, % (n/n) 41.8 (28/67) 58.2 (39/67)
  Aborted attempts, % (n/n) 39 (10/26) 14 (5/37) NS
  Interrupted attempts, % (n/n) 19 (5/26) 3 (1/37) .03 (χ2 = 4.84)
  Ambiguous attempts, % (n/n) 0 (0/26) 3 (1/37) NS
Lethality rating for deliberate attempts, mean (SD)a 2.57 (1.89) NA
Attempter Nonattempter P



Alcohol use, % (n/n) 52 (11/21) 39 (14/36) NS
Drug use, % (n/n) 33 (7/21) 43 (15/35) NS
Medications, % (n/n)
  Lithium 45 (5/11) 54 (6/11) NS
  Anticonvulsant 45 (9/20) 55 (11/20) NS
  Antipsychotic 42 (14/33) 57 (19/33) NS
  Antidepressant 60 (12/20) 40 (8/20) NS
a

Lethality is rated as the highest lethality rating among all attempts.

Abbreviations: NA = not applicable, NS = nonsignificant.

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