Dataset Information

Gender Differences in Social Cognition: A Cross-Sectional Pilot Study of Recently Diagnosed Patients with Schizophrenia and Healthy Subjects.

ABSTRACT: OBJECTIVES:This study had 2 objectives: First, to explore the gender-related differences in emotional processing (EP) and theory of mind-both cognitive (CToM) and affective (AToM)-in patients with schizophrenia and in a control group of healthy subjects; and, second, to examine, from a gender perspective, the possible association between EP and CToM in the AToM performance. METHODS:Forty patients with schizophrenia/schizoaffective disorder were recruited and matched by gender, age and years of education with 40 healthy subjects. EP was measured by the pictures of facial affect (POFA) test. CToM was measured using first- and second-order false-belief (FB) stories. AToM was measured by the reading the mind in the eyes test (RMET). Group and gender differences in CToM were analysed using the X2 test, whereas EP and AToM were analysed using the non-parametric Mann-Whitney U Test and a general linear model. Results were adjusted by intelligence quotient and negative symptomatology. RESULTS:Patients with schizophrenia underperformed against healthy subjects in the POFA test, second-order FB, and RMET, but not in first-order FB. No significant gender differences were found. However, there was a trend showing that females outperformed males in the POFA ( P = 0.056). Group ( P < 0.001), POFA ( P < 0.001) and second-order FB ( P = 0.022) were the best factors predicting RMET performance (adjusted R2 = 0.584). CONCLUSIONS:Our results suggest that the illness is the main factor related to the deficit in social cognition, except for the basic aspects of the CToM that were unimpaired in most patients. Nevertheless, the influence of female gender in EP should not be neglected in any group. Finally, the hierarchal interaction between these domains is discussed.

SUBMITTER: Navarra-Ventura G

PROVIDER: S-EPMC6099750 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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Gender Differences in Social Cognition: A Cross-Sectional Pilot Study of Recently Diagnosed Patients with Schizophrenia and Healthy Subjects.

Navarra-Ventura Guillem G Fernandez-Gonzalo Sol S Turon Marc M Pousa Esther E Palao Diego D Cardoner Narcis N Jodar Merce M

Canadian journal of psychiatry. Revue canadienne de psychiatrie 20171207 8

<h4>Objectives</h4>This study had 2 objectives: First, to explore the gender-related differences in emotional processing (EP) and theory of mind-both cognitive (CToM) and affective (AToM)-in patients with schizophrenia and in a control group of healthy subjects; and, second, to examine, from a gender perspective, the possible association between EP and CToM in the AToM performance.<h4>Methods</h4>Forty patients with schizophrenia/schizoaffective disorder were recruited and matched by gender, age ...[more]

PMID: 29216439

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Project description:BackgroundA post hoc analysis from a multiphase trial with open-label transition and maintenance phases, a double-blind relapse prevention phase, and an optional open-label extension examined the long-term tolerability with continuous once-monthly injectable paliperidone palmitate 39, 78, 117, or 156 mg (25, 50, 75, or 100 mg equivalents [mg eq] of paliperidone) in subjects with recently diagnosed (≤5 years; n = 216) versus chronic illness (>5 years; n = 429) schizophrenia.MethodsAdverse events reported at a ≥2% margin between subgroups were identified. Relative risks (in the recently diagnosed compared with the chronically ill) and 95% confidence intervals (CI) were determined, and CI not including 1 were considered potentially significant.ResultsIn both subgroups, the mean monthly dose was 109 mg (69.9 mg eq). Continuous mean exposures were 333.9 ± 271.9 and 308.7 ± 278.3 days in the recently diagnosed and chronic illness subgroups, respectively. Using the criteria outlined in the methods, nasopharyngitis was a potentially significant event reported in more chronically ill than recently diagnosed subjects at months 6, 9, 12, and endpoint (7.2% versus 2.8%; relative risk 0.384; 95% CI 0.163-0.907). Influenza (2.8% versus 0.7%; relative risk 3.9; 95% CI 1.003-15.730) and amenorrhea (3.2% versus 0.9%; relative risk 3.476; 95% CI 1.029-11.744) at endpoint were potentially significant events in more recently diagnosed than chronically ill subjects. Mean weight changes, sedation/somnolence, any extrapyramidal symptom-related or glucose-related events were generally similar between the groups. The mean prolactin level increased in both sexes in both subgroups (changes from baseline of +41.8 ng/mL and +26.5 ng/mL in recently diagnosed and chronic illness females and +12.3 ng/mL and +15.1 ng/mL in recently diagnosed and chronic illness males, respectively), and were higher in females with recently diagnosed illness than in females who were chronically ill (P = 0.0002 at endpoint). Prolactin-related events were reported by 7.9% of recently diagnosed subjects with schizophrenia and 3.5% of those who were chronically ill.ConclusionThe long-term tolerability of paliperidone palmitate was generally similar in recently diagnosed schizophrenia subjects and those with more chronic illness, with the exception of some prolactin-related measures.

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Dataset Information

Gender Differences in Social Cognition: A Cross-Sectional Pilot Study of Recently Diagnosed Patients with Schizophrenia and Healthy Subjects.

Publications

Gender Differences in Social Cognition: A Cross-Sectional Pilot Study of Recently Diagnosed Patients with Schizophrenia and Healthy Subjects.

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