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External validity in a multicenter randomized clinical trial of proximal humeral fractures: the DelPhi trial
BackgroundRandomized controlled trials (RCT) are regarded as the gold standard for effect evaluation in clinical interventions. However, RCTs may not...
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A meta-analysis of the criterion-related validity of Session-RPE scales in adolescent athletes
BackgroundThe objective of this study was to establish the criterion-related validity of the session-rating of perceived exertion (s-RPE) method in...
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Validity and reliability studies of the Indonesian version of Atrial Fibrillation Severity Scale (AFSS)
BackgroundIn the atrial fibrillation (AF) population, worsened quality of life (QOL) has been reported even before complications occur. Symptom-based...
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Deepening the understanding of the structural validity of the Tilburg Frailty Indicator
BackgroundPsychometric properties of the Tilburg Frailty Indicator (TFI) have shown low internal consistency for psychological and social domains,...
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Validity and Reliability of Methods to Assess Movement Deficiencies Following Concussion: A COSMIN Systematic Review
BackgroundThere is an increased risk of subsequent concussion and musculoskeletal injury upon return to play following a sports-related concussion....
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Psychometric properties of an Arabic translation of the external and internal shame scale (EISS)
BackgroundThe concept of shame in Arab societies displays multiple differences when compared to Western societies in terms of nature, sources, types,...
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Predictive validity on clinical item-level of the HKT-R divided into clinical patient classes
BackgroundBecause of the heterogeneity of forensic groups, latent class analysis (LCA) can allow for the formation of stronger homogeneous patient...
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Reliability and validity of surface EMG assessments combined with isometric muscle strength testing in patients with abdominal rectus diastasis and asymptomatic controls
PurposePatients with abdominal rectus diastasis (ARD) may have muscular functional impairments, but clinics lack appropriate objective assessment...
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Reliability and validity of an innovative high performing healthcare system assessment tool
BackgroundUniversal Health coverage (UHC) is the mantra of the twenty-first century yet knowing when it has been achieved or how to best influence...
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A tool to assess fitness among adults in public health studies – Predictive validity of the FFB-Mot questionnaire
BackgroundFitness has important implications for physical activity behavior and is associated with various health-related outcomes. It can be...
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Minimal important difference, patient acceptable symptom state and longitudinal validity of oxford elbow score and the quickDASH in patients with tennis elbow
BackgroundThe Oxford Elbow Score (OES) and the short version of Disabilities of Arms, Shoulder and Hand (QuickDASH) are common patient-reported...
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Inconsistency between Human Observation and Deep Learning Models: Assessing Validity of Postmortem Computed Tomography Diagnosis of Drowning
Drowning diagnosis is a complicated process in the autopsy, even with the assistance of autopsy imaging and the on-site information from where the...
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Validity and reliability of an instrument evaluating the performance of intelligent chatbot: the Artificial Intelligence Performance Instrument (AIPI)
ObjectivesTo evaluate the reliability and validity of the Artificial Intelligence Performance Instrument (AIPI).
MethodsMedical records of patients...
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Reliability and Validity of A Novel Device for Evaluating the Cervical Proprioception
IntroductionIn clinical practice, cervical proprioception is usually evaluated by calculating the cervical joint position error (JPE) with laser...
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Reliability and validity of the Chinese version of the trauma-specific frailty index (TSFI) for geriatric trauma patients
BackgroundPre-traumatic frailty in geriatric trauma patients has caught attention from emergency medical workers and the assessment of it thus become...
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Reliability and validity of the Shoulder Pain and Disability Index in a sample of patients with frozen shoulder
BackgroundThe Shoulder and Pain Disability Index (SPADI) is a widely used outcome measure. The aim of this study is to explore the reliability and...
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The feasibility, repeatability, validity and responsiveness of the EQ-5D-3L in Krio for patients with stroke in Sierra Leone
ObjectivesTo assess the feasibility, repeatability, validity and responsiveness of the EQ-5D-3L in Krio for patients with stroke in Sierra Leone, the...
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Cross-cultural adaptation, reliability, validity and responsiveness of the Michigan Hand Outcomes Questionnaire (MHQ-Sp) in Spain
BackgroundThe Michigan Hand Outcomes Questionnaire (MHQ) is a self-report tool widely recognized for measuring the health status of patients with...
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Reliability and validity of the Japanese treatment self-regulation questionnaire for Japanese workers
BackgroundMotivational interventions are used as preventive measures in occupational health. However, existing studies primarily focus on motivation...
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External validation: a simulation study to compare cross-validation versus holdout or external testing to assess the performance of clinical prediction models using PET data from DLBCL patients
AimClinical prediction models need to be validated. In this study, we used simulation data to compare various internal and external validation...
