Table 2 Univariate analysis of factors related to intrapartum fever (training cohort)
From: Nomogram for perinatal prediction of intrapartum fever: a retrospective case–control study
Febrile (n = 72) | Afebrile (n = 415) | P | |
|---|---|---|---|
Age [M (IQR)] | 28 (4) | 28 (4) | 0.760 |
BMI, kg/m2 [M (IQR)] | 26.3 (3.8) | 26.8 (3.9) | 0.756 |
Gestational age, d [M (IQR)] | 275.5 (11) | 275 (11) | 0.466 |
Accompany disease, n (%) | |||
GDM | 10 (13.9%) | 52 (12.5%) | 0.749 |
Abnormal thyroid function | 3 (4.2%) | 14 (3.5%) | 0.667 |
Hypertension during pregnancy | 1 (1.4%) | 7 (1.7%) | 0.854 |
Parity, n (%) | < 0.001 | ||
Nulliparity | 59 (81.9%) | 235 (56.6%) | |
Multiparous | 13 (18.1%) | 180 (43.4%) | |
Pre-labour ROM, n (%) | 0.001 | ||
Yes | 20 (27.8%) | 52 (12.5%) | |
No | 52 (72.2%) | 363 (87.5%) | |
Body temperature on admission,℃ [M (IQR)] | 36.5 (0.2) | 36.5 (0.2) | 0.414 |
WBC counts on admission, × 109 [M (IQR)] | 7.95 (3.2) | 8.4 (2.5) | 0.360 |
HB on admission, g/L [M (IQR)] | 12.05 ± 1.24 | 12.07 ± 1.1 | 0.995 |
Time from rupture of membranes to delivery, min [M (IQR)] | 318.5 (671) | 168 (406) | 0.009 |
Method of membrane rupture, n (%) | 0.078 | ||
Spontaneous | 40 (55.6%) | 184 (44.3%) | |
Surgical | 32 (44.4%) | 231 (55.7%) | |
Oxytocin usage, n (%) | 0.004 | ||
Yes | 52 (72.2%) | 224 (54%) | |
No | 20 (27.8%) | 191 (46%) | |
Foetal weight, g [M (IQR)] | 3410 (508) | 3320 (480) | 0.175 |
Amniotic fluid pollution degree III, n (%) | < 0.001 | ||
Yes | 12 (16.6%) | 8 (1.9%) | |
No | 60 (83.4%) | 407 (98.1%) | |
Duration of the first stage, min [M (IQR)] | 695.9 (192.3) | 417.5 (443.1) | < 0.001 |
Duration of the second stage, min [M (IQR)] | 83.8 (48.5) | 28 (38) | < 0.001 |
Number of vaginal examinations [M (IQR)] | 3 (2) | 2 (2) | < 0.001 |
Epidural labour analgesia, n (%) | < 0.001 | ||
Yes | 50 (69.4%) | 89 (21.4%) | |
No | 22 (30.6%) | 326 (78.6%) | |
Analgesia time, min [M (IQR)] | 330 (433) | 0 (100) | < 0.001 |