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Table 4 Performance of risk score at different cutoff points for Unplanned CS

From: Prediction of unplanned cesarean section using measurable maternal and fetal characteristics, Ethiopia, a retrospective cohort study

cut-off points

Sensitivity

specificity

accuracy

NPV

PPV

LR + 

LR-

2

98.63

58.46

62.5

84.27419

41.07

1.41

0.56

4

92.31

83.77

73.1

79.65

53.22

2.95

0.63

6

85.15

90.12

73.9

75.44

66.11

4.08

0.72

8

82.28

91.04

73.6

73.71

73.42

4.93

0.82

10

80.56

94.58

78.5

72.35

80.25

9.47

0.89

12

72.10

95.86

82.0

71.90

85.71

15.05

0.96

  1. *PPV (Positive Predictive Value), *NPV (Negative Predictive Value),
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BMC Pregnancy and Childbirth

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