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Table 5 Ability to predict need of interventions and 30-day mortality

From: Evaluation of scoring systems without endoscopic findings for predicting outcomes in patients with upper gastrointestinal bleeding

Outcomes

System

Cutoff

Sensitivity, %

Specificity, %

PPV, %

NPV, %

Interventions

GBS

>6

93.21

13.23

49.2

68.3

GBS

>7

79.64

18.06

46.8

49.6

GBS

>8

75.36

52.26

58.8

70.1

GBS

>9

73.57

82.90

79.5

77.6

GBS

>10

61.43

86.45

80.4

71.3

GBS

>11

50.71

89.68

81.6

66.8

GBS

>12

36.07

90.00

76.5

60.9

mGBS

>6

92.86

13.55

49.2

67.7

mGBS

>7

78.93

18.06

46.5

48.7

mGBS

>8

73.57

55.81

60.1

70.0

mGBS

>9

70.71

89.35

85.7

77.2

mGBS

>10

46.07

89.35

79.6

64.7

mGBS

>11

33.21

89.68

74.4

59.8

mGBS

>12

31.79

99.68

98.9

61.8

30-day mortality

Pre-E RS

>2

92.0

84.07

20.4

99.6

Pre-E RS

>3

88.0

90.62

29.3

99.4

Pre-E RS

>4

88.0

97.52

61.1

99.5

Pre-E RS

>5

32.0

98.94

57.1

97.0

Pre-E RS

>6

32.0

99.12

61.5

97.1

  1. PPV positive predictive value, NPV negative predictive value, GBS Glagow Blatchford Score, mGBS modified Glagow Blatchford Score, Pre-E RS Pre-Endoscopy Rockall score