The median (5th, 95th) concentration of NOx estimated for the Italian cohort (94.2 μg/m3 (7.8, 124.5)) was considerably higher than the median concentration estimated for the Swedish cohort (6.65 μg/m3 (4.8, 19.7)) (p b 0.001).
The median (5th, 95th) concentration of NOx estimatedfor the Italian cohort (94.2 μg/m3 (7.8, 124.5)) was considerably higherthan the median concentration estimated for the Swedish cohort(6.65 μg/m3 (4.8, 19.7)) (p b 0.001).