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There is wide evidence for a decreased risk of rheumatoid arthritis in patients with schizophrenia. Nevertheless, very few studies have looked at the risk of schizophrenia in a group of patients with rheumatoid arthritis. We prospectively investigated, with the SCL-90R, 220 consecutive outpatients with rheumatoid arthritis and 196 consecutive outpatients(More)
OBJECTIVE To report our experience on a multicentre series of 32 patients with either typical or atypical Cogan's syndrome, to combine our results with a detailed review of the literature, and to compare the clinical manifestations of typical and atypical Cogan's syndrome. METHODS Patients were identified from a survey conducted with physicians affiliated(More)
BACKGROUND Persistent symptoms, mainly joint and muscular pain and depression, have been reported several months after Chikungunya virus (CHIKV) infection. Their frequency and their impact on quality of life have not been compared with those of an unexposed population. In the present study, we aimed to describe the frequency of prolonged clinical(More)
BACKGROUND Most quantitative diagnostic tests do not perfectly differentiate between persons with and without a given disease. We present a simple method to construct a 3-zone partition for quantitative tests results, including positive and negative zones and a gray zone between, and we describe its use in the diagnosis of heart failure by brain natriuretic(More)
OBJECTIVE To further document the measurement properties of each domain of the OA of knee and hip quality of life (OAKHQOL) questionnaire by a Rasch analysis. METHODS The OAKHQOL self-administered questionnaire has been developed to assess health-related quality of life in lower limb OA. Patients with various degrees of severity of knee or hip OA answered(More)
BACKGROUND Sickle cell disease (SCD) leads to tissue hypoxia resulting in chronic organ dysfunction including SCD associated nephropathy. The goal of our study was to determine the best equation to estimate glomerular filtration rate (GFR) in SCD adult patients. METHODS We conducted a prospective observational cohort study. Since 2007, all adult SCD(More)
BACKGROUND Health-related quality of life (HRQoL) measures are increasingly used in the general population. However, little is known about patterns and determinants of unanswered or unusable questionnaires and their consequences on estimates of HRQoL. METHODS The 2003 Decennial Health Survey collected socio-demographic and health information, including(More)
Given the increasing interest in treatment satisfaction research and the lack of a specific questionnaire in osteoarthritis (OA), we developed and explored the psychometric properties of the osteoARthritis Treatment Satisfaction (ARTS) questionnaire. The ARTS questionnaire which consists of 18 items was developed in French following the analysis of(More)
BACKGROUND Methods used to generate items for complex measurement scales are heterogeneous and probably produce heterogeneous data, yet nothing is known about the advantages of one method over another. OBJECTIVE We aimed to compare methods of generating items for tools designed to measure quality-of-life for patients. METHODS We used five methods to(More)