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Table 4 Comparison of maternal clinical and lab findings, Antipyretic use, mode of delivery, and prevalence of confirmed chorioamnionitis

From: Suspected clinical chorioamnionitis with peak intrapartum temperature <380C: the prevalence of confirmed chorioamnionitis and short term neonatal outcome

 

Comparison -Group (1) Vs. Group (2)

 

Total patients

N=415

Group (1)

PIT 37.6 to 37.90C

N= 203

Group (2)

PIT 380C or more

N=212

Odds ratio

(95% CI)

P value

Maternal tachycardia

251 (60.5%)

110(54.2%)

141 (66.5%)

0.59

(0.40 to 0.89)

0.010

Fetal tachycardia

198

(47.7%)

85(41.9%)

113(53.3%)

0.63

(0.43 to 0.93)

0.020

WBC >15 N (%)

188 (45.3%)

90(44.3%)

98(46.2%)

0.93

(6.23 -1.36)

0.699

CRP>20 N (%)

213/329 (64.7%)

97/152 (63.8%)

116/177 (65.5%)

0.93

(0.59 to 1.46)

0.745

Positive blood culture(mother)N (%)

25/208

(12%)

6/68 (8.8%)

19/140 (13.6%)

0.62

(0.23 to 1.62)

0.323

Intrapartum antibiotics at least 2 or more hours before delivery

233 (56.1%)

119 (58.6%)

114 (53.8%)

1.22

(0.83 to 1.79)

0.320

Received paracetamol for temperature below 380C N (%)

215/297 (72.4%)

179/203(88.2 %)

37/95 (38.9%)

11.69

(6.46 to 21.15)

<0.001

LSCS

190 (45.8%)

91 (44.8%)

99(46.7%)

0.93

(0.64 to 1.37)

0.706

Instrumental vaginal delivery N (%)

97 (23.4%)

49(24.1%)

48(22.6%)

1.09

(0.69 to 1.71)

0.719

Positive Placenta culture

N (%)

62/275 (22.5%)

25/134(18.7%)

37/141(26.2%)

0.65

(0.36 to 1.15)

0.132

Positive placental pathology N (%)

29/45

(64.4%)

12/20 (60%)

17/25 (68%)

0.71

(0.21 to 2.41)

0.577

Confirmed chorioamnionitis (based on placental culture or histopathology) N (%)

82/288 (28.5%)

35/138 (25.4%)

47/140 (31.3%)

0.75

(0.46 to 1.25)

0.262

Confirmed chorioamnionitis (based on the placental culture of LSCS cases or by histopathology) N (%)

53/177 (29.9%)

19/87 (21.8%)

34/90 (37.8 %)

0.46

(0.24 to 0.89)

0.021

  1. PIT Peak intrapartum temperature, N Number, CI Confidence interval, WBC White blood cells, CRP C-reactive protein, LSCS Lower segment caesarian section