From: Carbon load in airway macrophages as a biomarker of exposure to particulate air pollution; a longitudinal study of an international Panel
Parameter
LMIC group
HIC group
BE group
N
15
R0, μm2
1.122 ± 0.193 (0.750–1.509)
0.387 ± 0.110 (0.168–0.613)
0.275 ± 0.066 (0.147–0.404)
k, μm2/day
0.013 ± 0.004 (0.007–0.023)
0.002 ± 0.001 (−0.001–0.004)
−0.001 ± 0.000 (− 0.001–0.000)