Table 3 Obstetric factors associated with NFH.
From: Proposing a machine learning-based model for predicting nonreassuring fetal heart
Variables | RFH (n = 6506) | NFH (n = 661) | P-value |
|---|---|---|---|
Parity | < 0.001 | ||
Primiparous | 1975 (30.4) | 350 (53.0) | |
Multiparous | 4530 (69.6) | 311 (47.0) | |
Onset of labour | < 0.001 | ||
Spontaneous | 4714 (72.5) | 384 (58.1) | |
Induced | 1791 (27.5) | 277 (41.9) | |
Gestational age (week) | < 0.001 | ||
24–36+ 6 | 970 (14.9) | 110 (16.6) | |
37–40 | 4549 (69.9) | 381 (57.6) | |
40+ 1–41 | 830 (12.8) | 139 (21.0) | |
Above 41 | 156 (2.4) | 31 (4.7) | |
Doula support during labor | < 0.001 | ||
Yes | 720 (11.1) | 37 (5.6) | |
No | 5785 (88.9) | 624 (94.4) |
