Table 3 Foetal heart rate monitoring and adherence to guidelines
Live births, n = 1386 | Stillbirths, n = 31 | OR (95% CI) | P-value | |
|---|---|---|---|---|
FHR at admission registered | <0.001*** | |||
“Was there foetal heart rate on admission?” | ||||
Yes | 1041 (76.3%) | 11 (35.5%) | Ref | |
No / Marked as unknown | 324 (23.7%) | 20 (64.5%) | 5.84 (2.77–12.32) | |
Missing | 21 | 0 | ||
FHR value at admission | <0.001** | |||
Slow < 120 bpm | 8 (0.6%) | 2 (6.5%) | 31.5 (5.76-172.17) | |
Normal 120–160 bpm | 1008 (72.7%) | 8 (25.8%) | Ref | |
Fast > 160 bpm | 8 (0.6%) | 0 (0%) | 0 | |
No value measured | 362 (26.1%) | 21 (67.7%) | 7.31 (3.21–16.65) | |
Missing | 0 | 0 | ||
Last measured FHR value | <0.001** | |||
Slow < 120 bpm | 48 (3.5%) | 2 (6.5%) | 5.01 (0.98–25.47) | |
Normal 120–160 bpm | 721 (52%) | 6 (19.4%) | Ref | |
Fast > 160 bpm | 14 (1%) | 0 (0%) | 0 | |
No value measured | 603 (43.5%) | 23 (74.2%) | 4.58 (1.85–11.33) | |
Missing | 0 | 0 | ||
FHR value measured at any time during admission a | < 0.001** | |||
No foetal heart rate value measured at any time | 275 (19.8%) | 19 (61.3%) | 6.4 (3.07–13.34) | |
Foetal heart rate value measured during admission | 1111 (80.2%) | 12 (38.7%) | Ref | |
Delivery mode with no foetal heart rate at admission b,c | 0.006** | |||
CS with no foetal heart rate at admission | 24 (7.5%) | 5 (25%) | 4.13 (1.38–12.32) | |
SVD with no FHR at admission | 297 (92.5%) | 15 (75%) | Ref | |
Missing | 3 | 0 |