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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