Table 2. Clinical characteristics of 500 term deliveries complicated by chorioamnionitis
Clinical parameters % n/total
Temperature
Mean ± SD 38.5 ± 0.6°C 38.5 ± 0.6°C
No temperature ≥ 38.0°C 10.8 54/500
≥ 1 temperature between 38.0-38.9°C 66.4 332/500
Temperature 38.0-38.9°C ≥30 minutes 48.4 242/500
≥ 1 temperature ≥ 39.0°C 22.8 114/500
Maternal tachycardiaa 64.5 225/349
Fetal tachycardiab 67.3 332/493
Leukocyte count, firstc
≤14.7 29.8 149/443
14.8-19.2 29.0 145/443
>19.2 29.8 149/443
Leukocyte count, highestc
≤17.0 29.2 146/443
17.1-21.5 29.8 149/443
>21.5 29.6 148/443
CRP, firstd
≤33 28.6 143/431
34-109 29.0 145/431
>109 28.6 143/431
CRP, highestd
≤147 28.6 143/431
148-232 29.0 145/431
>232 28.6 143/431
Maternal malaisee 21.4 107/500
Uterine tendernesse 6.8 34/500
Cervical dischargee 2.0 10/500
Foul smelling amniotic fluide 21.0 105/500
Meconium-stained amniotic fluide 58.3 275/472
Microbiology and pathology
Positive cervical culture 38.2 133/348
Confirmed placental histopathology 86.4 51/59
Intravenous antibiotics 96.0 480/500
SD, standard deviation; CRP, C-reactive protein aMaternal tachycardia defined as maternal heart rate ≥100 bpm during episode of maternal fever bFetal tachycardia defined as fetal heart rate ≥160 bpm during episode of maternal fever cLeukocyte count expressed as leukocytes * 109/L dCRP expressed as mg/L eDefined as present if specified in medical chart text SD, standard deviation; CRP, C-reactive protein aMaternal tachycardia defined as maternal heart rate ≥100 bpm during episode of maternal fever bFetal tachycardia defined as fetal heart rate ≥160 bpm during episode of maternal fever cLeukocyte count expressed as leukocytes * 109/L dCRP expressed as mg/L eDefined as present if specified in medical chart text SD, standard deviation; CRP, C-reactive protein aMaternal tachycardia defined as maternal heart rate ≥100 bpm during episode of maternal fever bFetal tachycardia defined as fetal heart rate ≥160 bpm during episode of maternal fever cLeukocyte count expressed as leukocytes * 109/L dCRP expressed as mg/L eDefined as present if specified in medical chart text