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High Correlation: The HPSSC’s Michigan Performance Research Laboratory (MiPR) found a high correlation between Galaxy Watches and clinical and sports science reference devices.
Blood Oxygen Monitoring: Recent Galaxy Watches include SpO2 sensors to measure blood oxygen levels and stress tracking through heart rate variability.
Heart Rate: HPSSC's study found a 90% correlation with electrocardiogram equipment while running, considered the gold standard.
Sweat Loss Test: In sweat loss tests, Galaxy Watches reached a 95% correlation over varying workout distances, ranging from 2.5 km to 20 km.
Body Fat Percentage: The HPSSC's MiPR reviewed numbers from Galaxy Watches using dual-energy X-ray absorptiometry (DEXA). They found a 95% correlation between the numbers from DEXA and Galaxy Watches.
Clinical Medical Equipment: The study revealed an 82% correlation between Galaxy Watches and clinical medical equipment in VO2 Max measurements, indicating acceptable accuracy.
Sleep Tracking: Clinical studies suggest a 70-80% accuracy rate for detecting sleep stages, which is in line with industry standards for consumer wearables.
User and Expert Reviews: Feedback from users and expert reviews generally highlight that Galaxy Watches provide reliable fitness tracking for everyday use.