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Elevated suicide risk among patients with multiple sclerosis in Sweden
S Fredrikson1, Q Cheng, G-X Jiang
1Division of Neurology, NEUROTEC, Karolinska Institutet, Huddinge University Hospital, Stockholm, Sweden. sten.frederikson@neurotec.ki.se
Neuroepidemiology
|March 12, 2003
Summary
Patients with multiple sclerosis (MS) face a significantly elevated suicide risk, particularly within the first year of diagnosis and among younger males. This highlights the urgent need for targeted suicide prevention strategies in neurological care.
Area of Science:
- Neurology
- Epidemiology
- Public Health
Background:
- Inconsistent findings exist regarding suicide risk in multiple sclerosis (MS) patients.
- Methodological variations and differing study populations may explain these inconsistencies.
Purpose of the Study:
- To investigate suicide risk among hospital patients diagnosed with multiple sclerosis (MS) in Sweden.
- To identify specific risk factors and temporal patterns associated with suicide in this population.
Main Methods:
- Utilized the Swedish Hospital Inpatient Register (1969-1996) to identify 12,834 MS patients with 77,377 admissions.
- Linked MS patient data with the Swedish Causes of Death Register to determine mortality causes.
- Calculated standardized mortality ratios (SMR) and crude suicide rates for the MS cohort.
Main Results:
- Among 5,052 deaths in MS patients, 90 (1.8%) were attributed to suicide.
- Suicide risk was significantly elevated (SMR = 2.3) compared to the general population.
- Suicide risk was highest in the first year post-diagnosis and among younger males; 58% of suicides occurred within 5 years of initial MS admission.
Conclusions:
- Multiple sclerosis (MS) is associated with a substantially increased risk of suicide.
- Early diagnosis and demographic factors (younger age, male sex) are critical indicators for heightened suicide risk.
- Findings underscore the necessity for enhanced suicide prevention initiatives within neurological healthcare settings.