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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: Arthritis Care Res (Hoboken). 2012 Jan;64(1):22–29. doi: 10.1002/acr.20628

Table 2.

Measurements of quadriceps muscle and intermuscular fat volume and longitudinal changes for the total study sample and each group separately.

Total Sample
(n = 86)		 Non-ROA Group
(n = 41)		 ROA Group
(n = 45)
Mean (SD) Mean (SD) Mean (SD)
Quadriceps Muscle Volume Baseline (cm3) 248.6 (45.5) 245.3 (42.7) 251.6 (48.2)
Follow-up (cm3) 243.8 (44.8) 241.2 (41.5) 246.2 (48.0)
Change (cm3) -4.8 (12.3) -4.1 (11.1) * -5.4 (13.5) *
% Change -1.8 (5.0) -1.5 (4.4) -2.1 (5.5)
Intermuscular Fat Volume Baseline (cm3) 103.5 (36.0) 95.2 (32.5) 111.1 (37.7)
Follow-up (cm3) 106.7 (37.9) 98.6 (35.2) 114.1 (39.2)
Change (cm3) 3.2 (7.2) 3.4 (7.1) * 3.1 (7.4) *
% Change 3.2 (7.4) 3.5 (8.2) 2.9 (6.7)
*

denotes significant changes within each group from baseline without adjustment for age (p<0.05).