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Table 2 Bioimpedance parameters and TBW values obtained in the study dogs with the two methods

From: Evaluation of total body water in canine breeds by single-frequency bioelectrical impedance analysis method: specific equations are needed for accuracy

Dogs R (Ω) SDR (Ω) CVR X (Ω) SDX (Ω) CVX TBWd (L) TBW1 (L) Diff1 (L) TBW2 (L) Diff2 (L)
1 97.87 0.30 0.30 22.70 0.24 1.08 19.46 22.14 2.68 22.65 3.19
2 188.42 1.48 0.77 37.65 0.28 0.73 11.41 12.68 1.27 11.91 0.50
3 127.78 4.00 3.14 32.95 3.48 10.56 12.60 18.73 6.13 17.70 5.10
4 164.83 12.46 7.56 59.52 0.03 0.05 6.35 11.35 5.00 11.77 5.42
5 108.70 0.29 0.27 27.75 0.22 0.79 4.45 5.58 1.13 4.99 0.53
6 84.68 0.99 1.17 21.12 0.17 0.80 13.11 13.07 −0.04 13.27 0.16
7 23.43 2.24 9.54 298.51 5.52 1.85 15.90 13.88 −2.02 35.04 19.14
8 135.00 2.75 2.04 27.86 1.13 4.05 3.01 4.50 1.49 3.99 0.98
9 100.13 1.64 1.64 36.04 0.56 1.56 15.78 17.23 1.45 17.98 2.20
10 148.38 1.21 0.81 33.49 0.29 0.86 12.10 14.14 2.04 14.00 1.89
11 142.84 4.44 3.11 33.06 0.53 1.60 8.51 11.18 2.67 10.63 2.12
12 117.06 5.83 4.98 27.30 0.72 2.64 15.01 17.41 2.39 16.86 1.84
13 104.77 2.44 2.33 17.77 0.78 7.38 13.15 14.42 1.27 13.11 −0.04
Mean ± SD    2.90    2.38    1.96 ± 2.04   3.31 ± 5.06
  1. Mean and SD of R and X as well as TBW determined directly by D2O dilution (TBWd) and indirectly with Eqs. (1) (TBW1) and (2) (TBW2) with values obtained using a portable bioelectric impedance device [resistance (R) and reactance (X)] and morphological parameters. Diff1 and Diff2: differences between the TBWd value and the TBW values computed with Eqs. (1) and (2), respectively.