Table 8.
Maternal clinical and lab findings, mode of delivery, and neonatal outcome – Comparison to previous studies
| Parameter |
Present study N=415 |
Previous studies |
|---|---|---|
| Maternal tachycardia | 60.5% | 20-80 % (Newton et al. 1993 [1]) |
| Fetal tachycardia | 47.7% | 40-70% (Newton et al.1993 [1]) |
| White blood cells >15 | 45.3% | 70-90 % (Newton et al. 1993 [1]) |
| Positive blood culture for mother | 12% |
12% (Yoder et al. 1983 [6]) 5-10% (Duff P et al. 2012 [51]) |
| Intrapartum antibiotics | ≥ 2 hours before delivery- 56% |
>3 hours: 32.2 % (Venkatesh et al. 2019 [47]) |
| Cesarian Section | 45.8% |
31.3% (Soper et al. 1989 [44]) 36% (Yoder et al. 1983 [6]) 21% (Rikert et al. 1998 [45]) 41.9% (Venkatesh et al. 2019 [47]) |
| Instrumental vaginal delivery | 23.4% | 4.7% (Venkatesh et al. 2019 [47]) |
| Histologic chorioamnionitis | 64.4% |
7-85% (Holzman et al. 2007 [52]) 62% (Smullen et al. 1999 [53]) |
| Positive amniotic fluid / placental culture | 22.5% | 46%- amniotic fluid culture (Romero et al. 2015 [54]) |
| Mean newborn rectal temperature at birth | 37.530C | Mean: 37.5 0C (Shalak et al. 2005 [55]) |
| Any resuscitation at birth | 6.7% | 11.5% (Liebermann et al. 2000 [49]) |
| Neonatal respiratory distress | 20.7%% |
20% (Yoder et al. 1983 [6]) 24.6% (Venkatesh et al. 2019 [47]) |
| Need for mechanical ventilation | 1.4% |
0.89% (Venkatesh et al. 2019 [47]) 2.5 % (Rouse et al. 2004 [56]) |
| Culture-proven neonatal sepsis | 0.96% |
8% (Yoder et al.1983 [6]) 1.3% (Rouse et al. 2004 [56]) 0.5% (Shalak et al. 2005 [55]) 0.3% (Sahni et al. 2019 [44]) 2.75% (Sayyed et al. 2020 [42]) |
| Sepsis or pneumonia | Any sepsis or pneumonia – 8.2% |
Culture positive sepsis /pneumonia 12 % (Yoder et al. 1983 [6]) Presumed sepsis or pneumonia – 14.6% (Venkatesh et al. 2019 [47]) |