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Suicide in cancer patients: a population-based retrospective cohort study in taiwan

Published online by Cambridge University Press:  16 April 2020

P.H. Lin ,
M.B. Lee ,
M.C. Tseng ,
C.C. Lin ,
H.C. Chen  and
S.C. Liao
P.H. Lin
Affiliation:
Division of Psychosomatic Medicine, Department of Psychiatry, National Taiwan University Hospital, Taipei, Taiwan R.O.C
M.B. Lee
Affiliation:
Division of Psychosomatic Medicine, Department of Psychiatry, National Taiwan University Hospital, Taipei, Taiwan R.O.C
M.C. Tseng
Affiliation:
Division of Psychosomatic Medicine, Department of Psychiatry, National Taiwan University Hospital, Taipei, Taiwan R.O.C
C.C. Lin
Affiliation:
Division of Psychosomatic Medicine, Department of Psychiatry, National Taiwan University Hospital, Taipei, Taiwan R.O.C
H.C. Chen
Affiliation:
Division of Psychosomatic Medicine, Department of Psychiatry, National Taiwan University Hospital, Taipei, Taiwan R.O.C
S.C. Liao
Affiliation:
Division of Psychosomatic Medicine, Department of Psychiatry, National Taiwan University Hospital, Taipei, Taiwan R.O.C

Abstract

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Introduction

Little is known about the suicide risk among cancer patients in Asian country.

Objectives

To identify the risk and correlates of suicide death among cancer patients in Taiwan.

Aims

To provide the references for policy-making of suicide prevention and information for clinicians and care-givers.

Methods

We conducted a retrospective cohort study of cancer patients in Taiwan from 1985 to 2007 by linking two national-wide databases of the Taiwan Cancer Registry and the National Mortality File. Standardized mortality ratios (SMR) and 95% confidence intervals (CIs) were estimated based on the general population rates of suicide stratified by age, sex, and calendar year.

Results

Among 930,230 registry cancer patients observed for 4,376,574 person-years, 2614 suicides were ascertained. Individuals with diagnosis of cancer had significantly higher risk to die by suicide (Man SMR = 2.46, 95% CI = 2.35–2.58; Woman SMR = 2.12, 95% CI = 1.98–2.28). Patients with cancers of head/neck, esophagus, and lung had additional higher risk to commit suicide. The risk of suicide elevated soon within first 3 months after cancer was diagnosed (Man SMR = 6.57, 95% CI = 5.82–7.41; Woman SMR = 5.83, 95% CI = 4.71–7.21).

Conclusions

Compared with general population, cancer patients had significantly higher risk to commit suicide in Taiwan. In addition to the prevention works focused on common risk factors of suicide death, clinicians and caretakers should pay special attention to patients with certain types of cancers and to those who were newly diagnosed to have cancers.

Type
P02-390
Information
European Psychiatry , Volume 26 , Issue S2: Abstracts of the 19th European Congress of Psychiatry , March 2011 , pp. 986
Copyright
Copyright © European Psychiatric Association 2011
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