Cut point ≥

Sensitivity %

Specificity %

Correctly classified

LR+

LR−

≥10

100.00

0.00

32.84

1.00

≥15

100.00

11.11

40.30

1.13

0.00

≥20

100.00

26.67

50.75

1.36

0.00

≥25

90.91

62.22

71.64

2.41

0.15

≥30

90.91

66.67

74.63

2.73

0.14

≥35

77.27

80.00

79.10

3.86

0.28

≥40

77.27

82.22

80.60

4.35

0.28

≥45

72.73

91.11

85.07

8.18

0.29

≥60

72.73

93.33

86.57

10.91

0.29

≥80

68.18

95.56

86.57

15.34

0.33

≥90

63.64

95.56

85.07

14.31

0.38

≥100

63.64

97.78

86.57

28.63

0.37

≥150

22.73

97.78

73.13

10.23

0.79

≥250

13.64

100.00

71.64

0.86

≥350

9.09

100.00

70.15

0.91

>350

0.00

100.00

67.16

1.00