María Nelly Márquez

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Panic disorder (PD) has been hypothesized to be a heterogeneous entity, with distinct clinical subgroups. The presence of depersonalization during panic attacks may distinguish a specific subgroup of PD. We sought to analyze the differential features of a subgroup of PD patients with depersonalization. A total of 274 patients with PD were assessed and(More)
OBJECTIVE To study the relevance of gender on social functioning in schizophrenia. METHOD A sample of 200 schizophrenic (DSM-IV criteria) out-patients were followed-up during 2 years and were administered the following instruments: Positive and Negative Symptom Scale (PANSS), Disability Assessment Scale (DAS-sv), and Global Assessment of Functioning (GAF)(More)
This study examined gender differences in the short-term (2 years) course of schizophrenia in a sample of 200 schizophrenic (DSM-IV criteria) outpatients (74 women and 126 men). Number and length of hospitalizations during the prospective follow-up were recorded. After 2 years, men were found to have more hospitalizations and longer stays than women. Among(More)
Our objective was to study gender differences in schizophrenia, comparing clinical, social, and illness course characteristics. A sample of 239 schizophrenic (DSM-IV criteria) outpatients were administered the following instruments: service use and demographic questionnaires, the Positive and Negative Symptom Scale (PANSS), the Disability Assessment Scale(More)
OBJECTIVES The moderator role of guilt on the effect of leisure activities on dementia caregivers' depressive symptoms was analyzed, considering differences by kinship and guilt as a multidimensional construct. METHOD Participants were 351 caregivers (58.97% daughters, 10.54% sons, 19.66% wives, and 10.83% husbands). Measures included frequency of leisure(More)
  • 2011
A clinical index to define risk of asthma in young children with recurrent wheezing. and the ISAAC Phase Three Study Group. Worldwide time trends in the prevalence of symptoms of asthma, allergic rhinoconjunctivitis and eczema in childhood: ISAAC Phases One and Three repeat multicountry cross-sectional surveys.
BACKGROUND This study examines the psychometric properties of the Dysfunctional Thoughts about Caregiving Questionnaire (DTCQ). METHODS DTCQ was administered to 227 dementia family caregivers. RESULTS Principal components analyses resulted in a two-factor solution: Perception of Sole Responsibility and Perfectionism. The DTCQ has a strong internal(More)
The goals of this study were to analyse the characteristics of the phenomenon of worry in old age, to analyse differential characteristics of worry in the elderly according to severity of anxiety, and to explore the discriminative ability of different DSM-IV criteria for generalized anxiety disorder (GAD) to reveal the presence of this disorder. Starting(More)
History od separation anxiety was investigated in several psychiatryc disorders and in 150 patients with panic disorder following DSM III-R criteria. Separation anxiety was reported by 15.3% of patients with panic disorder, 3.3% of the healthy control group, 13.3% of patients with major depression, 16.7% with dystymia, 13.3% with generalized anxiety and(More)
UNLABELLED The existence of panic disorder (PD) in old population is a source of debate. OBJECTIVES This study is aimed at studying the sociodemographic and clinical characteristics of panic disorder in patients over 60 years of age seen in two outpatient psychiatric clinics. METHOD All consecutive cases of PD (DSM-III-R) who contacted with two(More)
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