{"slug":"objective","tag":"objective","variants":["objective"],"description":"No description yet","count":5,"kinds":{"technology":5},"related":[{"slug":"rejuvenation","tag":"rejuvenation","shared":5},{"slug":"survivorship","tag":"survivorship","shared":5},{"slug":"measurement","tag":"measurement","shared":4},{"slug":"biological-ageing","tag":"biological-ageing","shared":1}],"records":[{"id":"rejuv-measure-functional-tests","kind":"technology","name":"Walking, gripping and standing up: the tests that take five minutes","route":"/technologies/rejuv-measure-functional-tests/","status":"standard-of-care","tldr":"How far somebody walks in six minutes, how hard they can squeeze a handle, and how fast they can stand up from a chair five times. These need almost no equipment, they predict what happens to people, and they measure something a questionnaire cannot."},{"id":"rejuv-measure-cardiopulmonary-exercise-testing","kind":"technology","name":"Cardiopulmonary exercise testing: the hardest number in recovery","route":"/technologies/rejuv-measure-cardiopulmonary-exercise-testing/","status":"established","tldr":"A bike or treadmill test to exhaustion with a mask measuring the air breathed in and out, giving peak oxygen uptake. It is the most objective measure of what a body can do, and in breast cancer it showed that survivors sit around a quarter below healthy women of the same age across the whole survivorship continuum."},{"id":"rejuv-measure-body-composition","kind":"technology","name":"Measuring muscle and fat on scans the patient already had","route":"/technologies/rejuv-measure-body-composition/","status":"established","tldr":"A single slice of a CT scan at the third lumbar vertebra measures how much skeletal muscle a person has, and the scan has usually already been taken for staging. Low muscle predicts worse outcomes and more chemotherapy toxicity, including in people whose weight looks normal or high."},{"id":"rejuv-measure-wearables-and-step-counts","kind":"technology","name":"Wearables and step counts: measuring what someone actually does","route":"/technologies/rejuv-measure-wearables-and-step-counts/","status":"emerging","tldr":"A wrist or hip device records steps, activity and sleep continuously, at home, without anyone being asked a question. It measures behaviour rather than capacity, which is the gap a corridor test leaves, and it is the one measurement of recovery that does not stop when the person leaves the hospital."},{"id":"rejuv-measure-consumer-biological-age-tests","kind":"technology","name":"The biological age test you can buy, and whether to buy one","route":"/technologies/rejuv-measure-consumer-biological-age-tests/","status":"emerging","tldr":"You can send saliva or blood to a company and be told your biological age. The underlying science is real and is described in the records on biological ageing after treatment; the test you can buy is not that science. Repeat measurements of the same sample can differ by years, no result changes any treatment, and nothing you can do in response has been shown to change what happens to you."}]}