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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.