Table 2 Basic comparison of day and night fetal heart rate (FHR) parameters in normal fetuses at home and in hospital setting
From: Circadian changes and sex-related differences in fetal heart rate parameters
Home (n = 30) | Hospital (n = 24) | |||||
|---|---|---|---|---|---|---|
Parameters | Day recordings | Night recordings | P value | Day recordings | Night recordings | P value |
bFHR (bpm) | 136.1 ± 9.2 | 131.6 ± 7.4 | =0.005 | 142.6 ± 9.3 | 131.9 ± 8.6 | <0.0001 |
STV (ms) | 10.9 ± 2.7 | 11.8 ± 2.8 | 0.04 | 10.5 ± 2.7 | 11.7 ± 3.1 | =0.024 |
LTV (ms) | 58.3 ± 14.1 | 63.3 ± 14.8 | =0.009 | 56.3 ± 14.2 | 63.4 ± 16.6 | =0.017 |
Accelerations (numbers) | 10.0 [6.5–14.0] | 13.0 [9.8–17.0] | <0.0001 | 10.2 [7.0–13.8] | 13.5 [9.0–17.0] | >0.1 |
HV (ms) | 58.5 [43.3–68.3] | 58.5 [51.4–73.5] | =0.09 | 51.7 [37.1–66.7] | 67.2 [54.1–72.8] | <0.001 |
RMSSD (ms) | 11.0 ± 1.6 | 10.7 ± 1.6 | >0.3 | 10.7 | 10.3 | >0.5 |