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Differences in measures of FHR according to fetal state
| Fetal state | FHR | SDNN | RMSSD |
|---|---|---|---|
| P < 0.0001 | P < 0.0001 | P < 0.0001 | |
| 1F (OR, 95% CI) | −6 (−4, −7) | −8.1 (−9.7, −6.4) | −1.8 (−1.2, −2.3) |
| 2F | Mean = 139 (SEM = 0.35) | Mean = 23.0 (SEM = 0.40) | Mean = 9.9 (SEM = 0.14) |
| 4F (OR, 95% CI) | 13 (10, 16) | −2.9 (−5.1, 1.2) | −2.8 (−1.7, −3.9) |
Figures in bold show significant differences from referent position.
