Figure 1.

Association of different aspirin exposures with change in percent emphysema over 10 years. Analyses adjust for baseline age, sex, race/ethnicity, education, pack-years of smoking, hypertension, angiotensin-converting enzyme (ACE)-inhibitor or angiotensin II receptor-blocker (ARB) use, C-reactive protein levels, sphingomyelin levels, time-varying height, weight, cigarettes smoked per day, scanner model, milliamperes, voxel size, and interactions of sex, race/ethnicity, pack-years of smoking, and ACE-inhibitor or ARB use with time.