First, we calculated the mean, SD, and percent for all the data. The psychometric property studied is the reliability of the tool, which includes the construct validity, criterion validity, internal consistency, and factorial validity. For the aforementioned reasons, we wish to validate the BDI-FS in CKD patients. We therefore need to create a rapid diagnostic tool to assess depression in the form of a short evaluation scale, which will be widely used for its simplicity of execution. Conversely, patients commented that the Beck Depression Inventory-II (BDI-II) items are repetitive, and that two questions in the HADS were confusing during the interviews (question 5 and 7 depends on age and personal interest). This tool is a measure of depressive cognition and does not interfere with clinical factors. These are assessed in patients by observing items 2 (pessimism) and 7 (suicidal thoughts or desires), which are considered suicidal risk indicators. The BDI-FS allows screening for the two DSM-IV-TR diagnostic criteria of depression, as well as a suicidal ideation and suicide risk. In fact, in the English version and French version tested on patients as well as students, the BDI-FS shows good validity and reliability. The reasons for validating the self-assessment instrument (BDI-FS), rather than using the HADS, are related to their psychometric characteristics. The 7 items of the BDI-FS-Fr enable us to assess the depressive state, thereby avoiding a false diagnosis of depression among CKD patients in a clinical setting.Īccording to Feinstein, HADS (Hospital Anxiety and Depression Scale) and BDI-FS (Beck Depression Inventory-Fast Screen) are the two best-constructed self-assessment scales to make this distinction. Regarding clinical practice in the hospital, clinicians and nurses can use the PHQ-2 to screen quickly for depression during routine consultations, during hospitalization, and in dialysis centers. The PHQ-2 and BDI-FS-Fr thus have very good psychometric properties and are useful tools for researchers and practitioners. These instruments are valid self-assessment tools for screening and evaluating depression, its intensity, and its evolution. Conclusion: The French versions of the PHQ-2 and BDI-FS have highly favorable psychometric properties. The PHQ-2 and BDI-FS-Fr showed good internal and external validity of structure, construct validity, criterion validity, discriminant validity, internal consistency, and factorial validity. The BDI-FS-Fr had a satisfactory area under the curve (0.859) with sensitivity (83%) and specificity (0.859) and internal consistency (α = 0.668). The PHQ-2 had a satisfactory AUC > 0.70, sensitivity > 0.60, and specificity > 0.80. Results: PHQ-2 and BDI-FS-Fr statistical parameters for depression tested very positively and had a satisfactory AUC (area under the curve). Statistical Approach: Test parameters and statistical aspects of assessing diagnostic and screening tests were used, including knowledge of and ability to calculate, sensitivity, specificity, positive and negative predictive values, diagnostic odds ratios, and the use of ROC (receiver operating characteristic) curves. Method: A cross-sectional study was conducted on 109 patients of the Centre universitaire de maladies rénales, Centre Hospi-talier Universitaire (CHU) de Caen (37 patients with CKD on pre-dialysis and grafting stage, 36 grafted patients, and 36 dialyzed patients). This study aimed to validate the French version of the PHQ-2 (Patient Health Questionnaire-2) and BDF-FS-Fr (Beck Depression Inventory-Fast Screen-France) on patients with chronic kidney disease (CKD) living in France. Objective: Depression is underdiagnosed and thus undertreated.
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