From: Cell-free DNA levels associate with COPD exacerbations and mortality
 | GOLD I/II n = 933 | GOLD III n = 886 | GOLD IV n = 286 |
---|---|---|---|
cf-mtDNA copy number (natural log) | 1.06 (0.011) | 1.05 (0.012) | 0.99 (0.75) |
cf-nDNA copy number (natural log) | 1.01 (0.84) | 0.95 (0.19) | 0.98 (0.66) |