Test–retest reliability, validation, and “minimal detectable change” scores for frequently reported tests of objective physical function in patients with non-dialysis chronic kidney disease

• Published in: Physiotherapy theory and practice Vol. 35; no. 6; pp. 565 - 576
• Main Authors: Wilkinson, Thomas J., Xenophontos, Soteris, Gould, Douglas W., Vogt, Barbara P., Viana, João L., Smith, Alice C., Watson, Emma L.
• Format: Journal Article
• Language: English
• Published: England 03.06.2019
• Subjects: Adult; Aged; Aged, 80 and over; Cardiorespiratory Fitness; Exercise Test - methods; Exercise Tolerance; Female; Health Status; Humans; Male; Middle Aged; Minimal Clinically Important Difference; Muscle Strength; Oxygen Consumption; Predictive Value of Tests; Quadriceps Muscle - physiopathology; Recovery of Function; Renal Insufficiency, Chronic - diagnosis; Renal Insufficiency, Chronic - physiopathology; Renal Insufficiency, Chronic - rehabilitation; Reproducibility of Results; Time Factors; Treatment Outcome; Walking; muscle strength; rehabilitation; outcome assessment; renal insufficiency; walking; Chronic kidney diseases

Physical function is an important outcome in chronic kidney disease (CKD). We aimed to establish the reliability, validity, and the "minimal detectable change" (MDC) of several common tests used in renal rehabilitation and research. In a repeated measures design, 41 patients with CKD not r...