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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)