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Table 3 GEP-HN-LS performance according to specimen attributes

From: A gene expression profile test to resolve head & neck squamous versus lung squamous cancers

Specimen attributes

No. of specimens

PPA

Percent (ratio)

[95% Confidence Interval]

Age of Specimen

  

<1 year

37

78.4 (29/37)

[61.8-90.2]

1-2 year

8

87.5 (7/8)

[47.3-99.7]

2-3 year

8

87.5 (7/8)

[47.3-99.7]

3-4 year

12

83.3 (10/12)

[51.6-97.9]

4-5 year

11

90.9 (10/11)

[58.7-99.8]

Percent Tumor Content

  

90% < x ≤ 100%

7

85.7 (6/7)

[42.1-99.6]

80% < x ≤ 90%

19

94.7 (18/19)

[74.0-99.9]

70% < x ≤ 80%

28

75.0 (21/28)

[55.1-89.3]

60% ≤ x ≤ 70%

22

81.8 (18/22)

[59.7-94.8]

Percent Necrosis

  

0% ≤ x < 10%

39

82.1 (32/39)

[66.5-92.5]

10% ≤ x < 20%

19

84.2 (16/19)

[60.4-96.6]

20% ≤ x < 30%

15

80.0 (12/15)

[51.9-95.7]

30% ≤ x ≤ 40%

3

100 (3/3)

[29.2-100]

  1. Abbreviations: PPA, Positive percent agreement; No. of Specimens, Number of specimens in each category.