It is well recognized that poor muscle function and poor physical performance are strong
predictors of clinically relevant adverse events in older people. Given the large number of …

Walking speed (WS) is a valid, reliable, and sensitive measure appropriate for assessing
and monitoring functional status and overall health in a wide range of populations. These …

Background A standardised approach to assessing COVID-19 survivors has not been
established, largely due to the paucity of data on medium-and long-term sequelae. Interval …

Background Age-related loss of muscle, sarcopenia, is recognised as a clinical syndrome
with multiple contributing factors. International European Working Group on Sarcopenia in …

Sarcopenia and frailty are geriatric syndromes characterized by multisystem decline, which
are related to and reflected by markers of skeletal muscle dysfunction. In older people …

Background Frailty is an important clinical syndrome that is consistently associated with
adverse outcomes in older people. The relevance of frailty to chronic respiratory disease …

Summary Background The COPD Assessment Test (CAT) is responsive to change in
patients with chronic obstructive pulmonary disease (COPD). However, the minimum …

Background Moving from sitting to standing is a common activity of daily living. The five-
repetition sit-to-stand test (5STS) is a test of lower limb function that measures the fastest …

Background The EQ-5D, a generic health status questionnaire that is widely used in health
economic evaluation, was recently expanded to the EQ-5D-5L to address criticisms of …

Objectives To establish reference values and determine test-retest reliability for usual and
maximal 4-meter gait speed. Design Cross-sectional observational study. Setting Offices in …