نتایج جستجو برای: panss
تعداد نتایج: 1295 فیلتر نتایج به سال:
Objectives: Hypovitaminosis D is suggested to be related the high risk of metabolic disorders and symptoms schizophrenia. Therefore, this study aimed evaluate effect vitamin supplementation on cardio-metabolic indices severity in schizophrenic patients. Materials Methods: Patients with schizophrenia (N=42) were randomly assigned 2 groups, i.e., intervention (2000 IU daily; n=21) placebo groups ...
BACKGROUND Nonparametric item response theory (IRT) was used to examine (a) the performance of the 30 Positive and Negative Syndrome Scale (PANSS) items and their options ((levels of severity), (b) the effectiveness of various subscales to discriminate among differences in symptom severity, and (c) the development of an abbreviated PANSS (Mini-PANSS) based on IRT and a method to link scores to ...
Background: Nonparametric item response theory (IRT) was used to examine (a) the performance of the 30 Positive and Negative Syndrome Scale (PANSS) items and their options ((levels of severity), (b) the effectiveness of various subscales to discriminate among differences in symptom severity, and (c) the development of an abbreviated PANSS (Mini-PANSS) based on IRT and a method to link scores to...
in this study, the aim was to determine whether adding vitamin d to the standard therapeutic regimen of schizophrenic male patients with inadequate vitamin d status could improve some aspects of the symptom burden or not. this study was an open parallel label randomized clinical trial. eighty patients with chronic stable schizophrenia with residual symptoms and vitamin d deficiency were recruit...
Lack of hard clinical endpoints is an essential problem in schizophrenia research. Disease state and treatment outcomes are measured using rating scales, e.g. Positive and Negative Syndrome Scale (PANSS). However, the PANSS score cannot always differentiate between placebo and drug treatment, even for established antipsychotics. The goal of this study was to identify the individual items of PAN...
BACKGROUND This study aims to compare severity criteria defined by the Remission in Schizophrenia Working Group (RSWGcr) with other criteria in relation to functional and neurocognitive outcome. METHODS 112 chronic psychotic outpatients were examined. Symptomatic remission according to RSWGcr was compared with the outcome achieved using criteria based on PANSS Positive and Negative Scales (PA...
Criteria developed by the Remission in Schizophrenia Working Group (RSWG), based upon 8 core symptoms of PANSS, are generally used for evaluation of Remission. However, some concerns have arisen as regard to the ability of the RSWG criteria to detect truly remitted cases. This study aims to compare the severity criteria of remission defined by the RSWG (RSWG-cr) with more restrictive criteria, ...
As biomarkers are lacking, multi-item questionnaire-based tools like the Positive and Negative Syndrome Scale (PANSS) are used to quantify disease severity in schizophrenia. Analyzing composite PANSS scores as continuous data discards information and violates the numerical nature of the scale. Here a longitudinal analysis based on Item Response Theory is presented using PANSS data from phase II...
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