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Table 1 TESRA study subjects

From: Identifying a gene expression signature of frequent COPD exacerbations in peripheral blood using network methods

Demographics

n = 248 expression (n = 245/248 biomarker)

Association with exacerbations

Age (years)

66.4 +/− 7.9

linear regression p-value = 0.11

Gender

Female 78

Fisher's Exact Test p-value = 0.86

Male 170

Race

Caucasian 100%

NA

Former smokers

100%

NA

Smoking history (pack-years)

47 +/− 24.3

linear regression p-value = 0.02

BMI

26 +/− 4.7

linear regression p-value = 0.39

COPD outcomes

  

Exacerbations in past 12 months

0 n = 123

1 n = 102

2 n = 23

FEV1 (L)

1.34 +/− 0.35

FEV1 % predicted

48.8 +/− 9.3

FEV1/FVC

0.43 +/− 0.09

% LAA ≤ −910 HU

41.65 +/− 16.2

Perc15 (HU)

−946 +/− 23.6

TLC (L)

6.9 +/− 1.4

TLC % predicted

101.6 +/− 15.4

DLCO (mL/min/mmHg)

12.3 +/− 3.9

6 minute walk test (m)

317.5 +/− 111.2

Residual volume % predicted

120.1 +/− 31

Inspiratory capacity (L)

2.4 +/− 0.67