Purpose Systematic reviews of patient-reported outcome measures (PROMs) differ from
reviews of interventions and diagnostic test accuracy studies and are complex. In fact …

Background The internet is now a major source of health information. With the growth of
internet users, eHealth literacy has emerged as a new concept for digital health care …

Purpose To develop a set of consensus and empirically based reporting recommendations
for primary studies of the measurement properties of patient-reported outcome measures …

Background Scores on an outcome measurement instrument depend on the type and
settings of the instrument used, how instructions are given to patients, how professionals …

The COSMIN Study Design checklist is recommended for designing studies to evaluate
measurement properties of existing patient-reported outcome measures (PROMs). It can be …

Abstract The Visual Analogue Scale (VAS), Numeric Rating Scale (NRS), and Pain Severity
subscale of the Brief Pain Inventory (BPI-PS) are the most frequently used instruments to …

Research performed with outcome measurement instruments of poor or unknown quality
constitutes a waste of resources and is unethical (3). Unfortunately this practice is …

Background The Internet Gaming Disorder Scale–Short-Form (IGDS9-SF) is among the best
with regard to its psychometric properties. Therefore, clinical psychologists are likely guided …

Methodological quality (risk of bias) assessment is an important step before study initiation
usage. Therefore, accurately judging study type is the first priority, and the choosing proper …

The goal of the OPTIKNEE consensus is to improve knee and overall health, to prevent
osteoarthritis (OA) after a traumatic knee injury. The consensus followed a seven-step hybrid …