Fig. 2From: Based on CT at the third lumbar spine level, the skeletal muscle index and psoas muscle index can predict osteoporosisReceiver operating characteristic analysis of SMI, PMI, VFI, SFI and VSR ability to diagnose osteoporosis. Abbreviations: SMI, skeletal muscle index; PMI, psoas muscle index; VFI, visceral fat index; SFI, subcutaneous fat index; VSR, visceral-to-subcutaneous ratio of fat areaBack to article page