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Are Patients with Parkinson's Disease Suicidal?

Francois M. Lalonde, PhD

Leslie Hicks, PhD

Using the National Center of Health Statistics' mortality statistics databases for 1991 through 1996 (12,430,473 deaths), we isolated 144,364 individuals 40 years of age or older with a primary diagnosis of Parkinson's disease (PD). Of these, 122 died by suicide. The rate of suicide in the general population was about 10 times higher than in patients with PD (0.8% compared with only 0.08%, respectively). These different rates of suicide cannot be attrib uted to differences in age, gender, race, education, or marital status. Compared with patients with suicidal PD, patients with PD who died from other causes manifested significantly lower rates of affective disorders. The refer ent population exhibited a higher rate of malignancy and a lower rate of depression. The findings suggest that marital status, mood disorder, and somatic comorbidity provide only a limited understanding of completed suicide. (J Geriatr Psychiatry Neurol 2001; 14:120-124).

Journal of Geriatric Psychiatry and Neurology, Vol. 14, No. 3, 120-124 (2001)
DOI: 10.1177/089198870101400304


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