Table 1 Number of synchronization epochs in the real and surrogate data. Number of synchronization epochs (SE) found in the real and surrogate data: overall, in the 2nd and 3rd trimester, per subject, per data set and for each n:m combination.
From: Is there evidence of fetal-maternal heart rate synchronization?
total | 2nd Trimester | 3rd Trimester | per subject | per data set | 1:1 | 2:1 | 3:2 | 4:3 | 5:2 | 5:3 | 5:4 | 7:3 | 7:4 | 9:4 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
mean ± SD (range) | mean ± SD (range) | ||||||||||||||
real | 712 | 182 (26%) | 530 (74%) | 12 ± 17 (0–93) | 4.0 ± 2.6 (0–11) | 1 | 48 | 97 | 84 | 3 | 207 | 32 | 21 | 178 | 41 |
surrogate | 741 | 202 (27%) | 539 (73%) | 12 ± 18 (0–91) | 4.2 ± 2.7 (0–12) | 1 | 24 | 90 | 66 | 7 | 258 | 21 | 30 | 197 | 47 |