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Table 2 Distribution of women depending on their ambient air pollution exposure (5 year mean values prior to baseline investigation) and traffic exposure indicated as percentiles

From: Does respiratory health contribute to the effects of long-term air pollution exposure on cardiovascular mortality?

  Mean/Percentage P0 P25 P50 P75 P100
Whole study group (N = 4750)
NO2 [μg/m3] 39 22 25 46 49 55
PM10 [μg/m3] 48 39 43 47 53 56
<50 m distance to major road (>10,000 cars/day) 8.5 % -- -- -- -- --
Study group with spirometry (N = 2580)
NO2 [μg/m3] 36 22 24 27 50 53
PM10 [μg/m3] 47 39 43 47 52 54
<50 m distance to major road (>10,000 cars/day) 7.6 % -- -- -- -- --
  1. Abbreviations:
  2. Px: xth percentile; NO2: Nitrogen dioxide; PM10: Particulate matter with aerodynamic diameter of ≤ 10 μm, calculated as PM10 = 0.71*TSP; TSP: Total suspended particles