What are the clinical characteristics and medical co-morbidity of primary care patients with significant depressive symptomatology who do not meet MDD criteria?
Subclinical depression in primary care patients is associated with substantial medical morbidity, including more severe medical illness and higher likelihood of operative procedures.
Most primary care patients exhibiting significant depressive symptomatology fail to meet DSM-III criteria for a major depressive disorder (MDD). Yet, such patients have substantial morbidity and dysfunction attributable to their affective syndrome. Since surprisingly little is known about this group's clinical characteristics, we studied 618 general medicine patients aged eighteen to sixty-four years. In this population, fifty-seven (9.2%) scored quite high when screened on the Center for Epidemiological Studies Depression Scale (greater than or equal to 27) while not meeting MDD criteria on the Diagnostic Interview Schedule. Membership in the "depression symptoms only" (DSO) group was predicted by a logistic regression model including female gender, more severe medical illness, higher likelihood of operative procedures, and less frequent cardiovascular diagnoses. Our findings suggest that the DSO state is associated with substantial "medical" morbidity. Prospective studies of subclinical depression in the primary care setting are urged to clarify etiologic and treatment concerns.
Coulehan et al. (Sat,) studied this question.
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