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Table 4 GEP-HN-LS test performance according to patient and cancer attributes

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

Patient/cancer attribute

No. of specimens

Overall PPA

Percent (ratio)

[95% Confidence Interval]

Age of Patient (years)

  

40-50

16

87.5 (14/16)

[61.7-98.4]

50-60

25

80.0 (20/25)

[59.3-93.2]

60-70

25

80.0 (20/25)

[59.3-93.2]

>70

10

90.0 (9/10)

[55.5-99.7]

Cancer Grade

  

Grade 1

4

100.0 (4/4)

[39.8-100.0]

Grade 2

10

80.0 (8/10)

[44.4-97.5]

Grade 3

56

82.1 (46/56)

[69.6-91.1]

Cancer Stage

  

I-II

16

75.0 (12/16)

[47.6-92.7]

III-IV

17

82.3 (14/17)

[56.6-96.2]

Primary Versus Metastatic Cancer

 

Metastatic

26

80.8 (21/26)

[60.6-93.4]

Primary

50

84.0 (42/50)

[70.9-92.8]

Biopsy Sites for Metastatic Cases

 

Lymph Node

21

81.0 (17/21)

[58.1-94.6]

Other

5

80.0 (4/5)

[28.4-99.5]

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