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. 2017 May 16;8:305. doi: 10.3389/fphys.2017.00305

Table 2.

Values of clinically important parameters of quantitative description of FHR-E and FHR-U signals, from FECG and US, obtained in a computer-aided fetal monitoring system, together with the symmetric mean percentage difference SMPD estimating the inconsistencies between both the methods.

Parameters FHR_E FHR_U SMPD (%)
Mean SD Mean SD
M_FHR (bpm) 143.19 9.35 143.32 9.49 −0.1
M_BL (bpm) 141.70 9.55 141.79 9.60 −0.1
ACC (number) 6.62 5.31 6.12 5.29 7.8
DEC (number) 0.40 0.87 0.23 0.56 54.0
LTV (ms) 39.54 11.90 37.91 11.40 4.2
STV* (ms) 6.35 2.41 5.68 2.02 11.1
HE_D (min) 12.72 12.15 10.60 11.49 18.2
LE_D (min) 7.85 8.01 8.72 7.91 −10.5
HE_V (ms) 53.59 9.67 54.99 7.81 −2.6
LE_V (ms) 18.67 3.22 18.78 3.39 −0.6
OSC (ms) 13.40 3.80 12.91 3.70 3.7
OSC_I (%) 10.51 14.39 11.05 15.30 −5.0
OSC_II (%) 27.77 15.59 29.29 15.39 −5.3
OSC_III (%) 45.31 18.19 45.48 19.11 −0.4
OSC_IV (%) 8.96 9.25 7.81 9.06 13.7
*

p < 0.05 (paired t-test).