According to a study recently published by a Stanford University report, Apple Watch can accurately determine the user’s “vulnerability.” It is reported that the vulnerability can be determined by the 6-minute walk test (6MWT), which is a general standard for assessing the functional activity and athletic ability of patients.
Apple said that the higher the score, the healthier the heart, breathing, circulation, and neuromuscular feature. This research was carried out by researchers at Stanford University and funded by Apple.
The study provided 110 Veterans Affairs patients with cardiovascular disease with iPhone 7 and Apple Watch Series 3. Patients regularly take a 6-minute walk test at home and compare it with standard outpatient 6MWT performance.
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The study found that under clinical supervision, Apple Watch can accurately assess human weakness with a sensitivity of 90% and a specificity of 85%. When the assessment is carried out in an unsupervised environment at home, Apple Watch can accurately assess the degree of fragility of the body, with a sensitivity of 83% and a specificity of 60%.
The results of the study show that passive activity data collected by Apple Watch can accurately predict the performance of outpatient 6MWT.
In this longitudinal observational study, passive activity data obtained through iPhone and Apple Watch is an accurate predictor of 6MWT performance in outpatient clinics. This discovery shows that the weakness and functional ability of patients with cardiovascular diseases can be remotely monitored and evaluated, which makes the monitoring of patients safer and with higher resolution.
Although this research uses a specially developed application called VascTrac, which passively collects Apple Watch activity data and also collects 6MWT data, Apple has added a series of new mobile-related data to watchOS 7. Health indicators, including 6MWT. Preliminary data from this type of research is likely to encourage Apple to add indicators to watchOS 7.
This research may also prompt healthcare providers to use Apple Watch to assess the functional capabilities of patients with cardiovascular disease at home.
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