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Table 7 The assessment of sensitivity and specificity of the Adams test, according to the Youden index

From: The importance of the size of the trunk inclination angle in the early detection of scoliosis in children

Category

Positive

False positive

False negative

Negative

Sensitivity

Specificity

Youden index

Distribution criterion ATI ≥ 7°

Overall

85

2

131

11

39.4%

84.6%

24.0%

6–9

20

1

39

4

33.9%

80.0%

13.9%

10–12

18

0

47

5

27.7%

100%

27.7%

13–17

47

1

45

2

51.1%

66.67%

17.8%

Distribution criterion ATI ≥ 5°

Overall

171

9

45

4

79.2%

30.77%

9.9%

6–9

40

4

19

1

67.8%

20%

12.2%

10–12

45

2

20

3

69.2%

60%

29.2%

13–17

86

3

6

0

93.5%

0%

6.5%