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 | Â | Â |
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 |