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Table 3 Coefficient of variations for Echo and ICG, n = 29

From: Validation of thoracic impedance cardiography by echocardiography in healthy late pregnancy

  Echo ICG
HR 0.3 ± 1.4% (−2.4%, 3.0%) 7.7 ± 4.1% (−0.3%, 15.8%)
SV 6.7 ± 2.6% (1.6%, 11.9%) 19.3 ± 9.3% (1.2%, 37.5%)
CO 6.5 ± 2.5% (1.7%, 11.4%) 20.7 ± 9.4% (2.2%, 39.1%)
  1. Mean CoV ± SD (95% Confidence Intervals).