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Table 2 Agreement between the DXA- and BIA-based approaches to detect reduced muscle mass (a) and diagnose sarcopenia (b)

From: Case finding for sarcopenia in geriatric inpatients: performance of bioimpedance analysis in comparison to dual X-ray absorptiometry

a Aagreement % (CI) Cohens’ κ-coeff. (CI)
DXA vs. BIA (threshold Janssen et al.) 73 % (61.7–83.3) 0.437 (0.218–0.653)
DXA vs. BIA (threshold Chien et al.) 80 % (68.3–90.0) 0.492 (0.219–0.734)
b Agreement % (CI) Cohens’ κ-coeff. (CI)
DXA vs. BIA (threshold Janssen et al.) 79 % (65.8–92.1) 0.579 (0.309–0.829)
DXA vs. BIA (threshold Chien et al.) 84 % (71.1–94.7) 0.636 (0.321–0.883)