Table 2 The results of the FHR analysis for the B1 pregnancy dataset and B2 labour dataset.

From: Fetal electrocardiograms, direct and abdominal with reference heartbeat annotations

FHR variability parameter

B1_Pregnancy_dataset

B2_Labour_dataset

Basal FHR [bpm]

128.3–156.3*

142.5 ± 9.0#

125.4–152.4

133.0 ± 7.2

FHR fluctuation [bpm]

7.2–15.4

11.6 ± 2.2

6.4–14.7

8.3 ± 2.3

Accelerations

0–10

0–3

Decelerations

0–2

0–1

Oscillations [bpm]

9.0–17.9

13.0 ± 3.3

8.0–20.9

13.8 ± 4.4

LTV_Dawes [ms]

25.3–58.6

38.2 ± 11.2

28.0–66.8

46.1 ± 13.0

STV_Dawes [ms]

2.9–12.6

6.4 ± 3.2

3.1–10.5

7.0 ± 2.7

  1. *Min – Max. #Mean ± standard deviation.