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Table 4 The corresponding sensitivities and specificities for AKI diagnosis using an estimated SCr, based on various assumed GFR

From: The comparison of the commonly used surrogates for baseline renal function in acute kidney injury diagnosis and staging

SCrGFR (ml/min/1.73 m2)

Sensitivity

Specificity

30

26.8

99.5

35

34.0

99.3

40

39.8

98.8

45

47.0

97.8

50

53.0

96.8

55

56.4

95.6

60

63.7

93.9

65

68.8

91.9

70

73.0

90.2

75

77.2

87.8

80

81.7

85.0

85

85.2a

83.0a

90

87.7

78.5

95

90.5

76.2

100

91.7

73.4

105

94.0

68.7

110

95.7

66.0

115

96.6

63.3

120

97.0

57.0

SCrADM

50.5

94.8

  1. Abbreviation: SCr ADM the admission serum creatinine, SCr GFR GFR-estimated serum creatinine
  2. asurrogate for baseline SCr yielding highest sum of sensitivity and specificity