Table 3.
EFM characteristics in the 30 minutes prior to delivery – No cesarean deliveries
| Respiratory Morbidity (n=100) |
No Respiratory Morbidity (n=3894) |
Relative Risk (95% CI) |
Adjusted OR1 (95% CI) |
|
|---|---|---|---|---|
| Ever2 baseline tachycardia >160 bpm | 27.1% | 6.8% | 4.7 (3.1–7.3) | 3.0 (1.8–5.1) |
| Always2 moderate variability | 35.0% | 43.7% | 0.7 (0.5–1.0) | 0.7 (0.5–1.1) |
| Ever2 marked variability | 9.2% | 3.2% | 2.9 (1.5–5.6) | 2.7 (1.3–5.7) |
| Accelerations present | 27.6% | 34.5% | 0.7 (0.5–1.1) | 0.8 (0.5–1.2) |
| Variable decelerations | 95.9% | 87.5% | 3.3 (1.2–8.9) | 3.4 (1.2–9.5) |
| Prolonged decelerations | 52.0% | 35.7% | 1.9 (1.3–2.8) | 1.8 (1.2–2.8) |
1
Adjusted for fever, parity, pregestational DM, prior c-section, preeclampsia
2
"Always" was defined as presence of the characteristic during the entire 30-minute period before delivery. "Ever" refers to the presence of the EFM characteristic during any 10-minute segment in the 30-minute period before delivery