highly significantp < .001
biomarker glycemic control insulin resistance obesity skeletal muscle echo intensity ultrasound National Institute of Diabetes and Digestive and Kidney Diseases 10.13039/100000062 DK133298 DK131724 Skeletal MEI There was a highly significant difference in mean deltoid MEI values between the obesity group (82.39 ± 28.32) and the healthy, lean group (33.41 ± 6.21) ( p < .001), with a mean difference of 48.98, representing a 146.6% increase relative to the lean group (Figure 2 ).