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Table 6 Validity of the MOEWS and APACHE II score to predict maternal morbidity

From: A new modified obstetric early warning score for prognostication of severe maternal morbidity

Score

Cut-off

AUROC

(95% CI)

Sensitivity

(95% CI)

Specificity

(95% CI)

PPV

(95% CI)

NPV

(95% CI)

Predicted maternal mortality (95% CI)

MOEWS1

>4

0.82

(0.77-0.87)

84.8%

(80-89)

87.1%

(76-94)

96.9%

(94-99)

55.1%

(45-65)

 

MOEWS2

>4

0.91

(0.87-0.95)

96.9%

(98-100)

83.9%

(72-92)

96.6%

(94-98)

85.2%

(74-93)

 

MOEWS

>4

0.92

(87.8-95.5)

99.3%

(98-100)

75.8%

(63-86)

95.1%

(92-97)

95.9%

(86-100)

 

APACHE

0.70*

10.3%

98.4%

96.8%

8.1%

8.4%

II

10

(0.63-0.76)

(7-14)

(91-100)

(83-100)

(15-24)

(8.77-25.89)

P value

 

0.001

     
  1. MOEWS1 is score 24 hours before ICU admission; MOEWS2 is score 24 hours after ICU admission; MOEWS is the highest score of MOEWS1 and MOEWS2; predicted maternal mortality of APACHE II score is shown with IQR (P25, P75); * indicates statistical significance, P<0.01