Can only reversed vegetative symptoms define atypical depression?
Eur Arch Psychiatry Clin Neurosci 2002 Dec;252(6):288-93 “BACKGROUND: The definition of atypical depression (AD) has recently seen a rebirth of studies, as the evidence supporting the current DSM-IV atypical features criteria is weak. Study aim was to compare a definition of AD requiring only oversleeping and overeating (reversed vegetative symptoms) to the DSM-IV AD definition (always requiring mood reactivity, plus overeating/weight gain, oversleeping, leaden paralysis, and interpersonal sensitivity [at least 2]). METHODS: Consecutive 202 major depressive disorder (MDD) and 281 bipolar II outpatients were interviewed, during a major depressive episode (MDE), with the Structured Clinical Interview for DSM-IV. The DSM-IV criteria for AD were compared to a new AD definition based only on oversleeping and overeating, which was the one often used in community studies. Associations were tested by univariate logistic regression. RESULTS: The frequency of DSM-IV AD was 42.8 %, and that of th