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 1

Demographics of completed study group.

	Age (yrs)	BMI	Weight (Kg)	RA duration (months)	ESR (mm/hr)	CRP (mg/L)	TJC/28	SJC/28	Patient global VAS (mm)	DAS28
Mean	53.8	25.9	68.8	68.56	25.3	6.5	5.2	5.7	19.6	3.93
St. dev.	10.6	4.2	10.8	51.5	28.7	3.2	4.0	3.9	12.3	1.3
Range	38–70	19.8–31.8	53–85	5–128	5–100	<2–12	0–12	1–13	1–32	1.54–5.57

BMI: body mass index; ESR: erythrocyte sedimentation rate (mm/hour); CRP: C reactive protein (mg/L); TJC/28: 28 joint count; SJC/28: 28 swollen joint count; DAS 28: disease activity score based on 28 joints.