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Figure 1 Agreement between predicted and measured fat in patients with RA. Body fat was measured by bioelectrical impedance using a Tanita BC‐418 MA Segmental Body Composition Analyzer. Predicted fat was assessed using the formula: BF = 4.273 + sex − 0.719 + 0.108 × age + 1.059 × BMI. 95% limits of agreement were 6.17 with a coefficient of variation of 8.9.
