From: The impact of obesity on the accuracy of DXA BMD for DXA-equivalent BMD estimation
Correlation Coefficient (Mean absolute error) | DXA based clinical BMD (g/cm2) | |||||
---|---|---|---|---|---|---|
L1 BMD (g/cm2) | Total Hip BMD (g/cm2) | L1 BMC (g) | Total Hip BMC (g) | |||
L1 estimated BMD by CT HU texture analysis | BMI (kg/m2) | Analysis 1 A.—Normal weight if < 25 kg/m2 | 0.7900 (0.0548) | 0.7539 (0.0642) | 0.7651 (1.5325) | 0.7354 (0.4231) |
Analysis 1 B.—Overweight and obese weight if > 25 kg/m2 | 0.6657 (0.0625) | 0.7712 (0.0573) | 0.742 (1.6444) | 0.7768 (0.3967) | ||
WC (cm) | Analysis 2 A.—Without central obesity if < 88 cm | 0.7849 (0.0555) | 0.7558 (0.0635) | 0.7662 (1.5220) | 0.7419 (0.4204) | |
Analysis 2 B.—central obesity > 88 cm | 0.6542 (0.0644) | 0.7666 (0.0577) | 0.7351 (1.6715) | 0.7639 (0.4075) | ||
ICO | Analysis 3 A.—Without central obesity if < 0.5 | 0.8125 (0.0517) | 0.7488 (0.0659) | 0.7796 (1.4526) | 0.7418 (0.4295) | |
Analysis 3 B.—Central obesity if > 0.5 | 0.6594 (0.0658) | 0.7843 (0.0576) | 0.7303 (1.7153) | 0.7545 (0.4210) |