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Table 4 Different thresholds in diagnosis for 206 patients

From: Three-hour post-ERCP amylase level: a useful indicator for early prediction of post-ERCP pancreatitis

cut-off value(U/L)

SE(%)

SP(%)

+LR

-LR

PPV(%)

NPV(%)

YI(%)

> 105

90.48

45.41

1.66

0.21

62.37

82.67

35.98

> 167

76.19

66.49

2.27

0.36

69.45

73.63

42.68

> 229

76.19

71.89

2.71

0.33

73.05

75.12

48.08

> 326

76.19

81.08

4.03

0.29

80.11

77.30

57.27

> 447

57.14

86.49

4.23

0.50

80.88

66.87

43.63

Optimal cut-off(351 U/L)

76.19

83.24

4.55

0.29

81.90

77.76

59.43

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BMC Gastroenterology

ISSN: 1471-230X

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