Early Metacarpal Bone Mineral Density Loss Using Digital X-Ray Radiogrammetry and 3-Tesla Wrist MRI in Established Rheumatoid Arthritis: A Longitudinal One-Year Observational Study

Table 4

DXR-BMD average and rate change (RC-BMD) over time.

	RC-BMD over 12 weeks mg/cm^2/month	Average BMD change over 12 weeks g/cm^2	RC-BMD over 1 year mg/cm^2/month	Average BMD change over 1 year g/cm^2
Average	−0.48	−0.0008	−0.55	−0.006
Std. Dev.	1.5	0.004	1.2	0.01