Ward LC, Dylke E, Czerniec S, et al.

Confirmation of the Reference Impedance Ratios Used for Assessment of Breast Cancer-Related Lymphedema by Bioelectrical Impedance Spectroscopy.

Study of 172 healthy females indicates that impedance ratio thresholds are consistent with those previously identified. In summary, new criterion thresholds for the assessment of BCRL by BIS have been determined. Although statistically different to the established reference values, the magnitude of the difference is sufficiently small to be of no practical clinical consequence. It is concluded that, in accord with the observations of Ridner et al., the present reference thresholds may be used with confidence as markers for lymphedema.
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