Table 3 Receiver operating characteristic (ROC) analyses for the relative standard

  Sensitivity (%)

93.4

85.2^a

100

93.1

89.7^a

100

69.4

65.6

62.4^a

  Specificity (%)

85.8

89.4

43.4^a,b

81.5

84.9

41.2^a,c

98.0

100

100

  AUC^d

0.957

0.927^a

0.932

0.944

0.946^a

0.874^a,c

0.926

0.945

0.898^c

  Sensitivity (%)

95.0

86.5^a

98.6^b

88.8

85.3

93.0^c

49.2

44.1^a

42.2^a

  Specificity (%)

93.1

94.4

53.3^a,b

91.2

94.9^a

51.5^a,c

97.5

99.0

95.1^c

  AUC^d

0.985

0.965^a

0.934^a,b

0.968

0.967

0.880^a,c

0.875

0.918^a

0.812^a,c