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Table 4 Total measured deposited dose rate when exposure concentration is normalized to 1 μg/m 3

From: Experimental determination of the respiratory tract deposition of diesel combustion particles in patients with chronic obstructive pulmonary disease

   Deposited dose per hour (if 1 μg/m 3)
   Number Surface area Mass
   (x10 6) (mm 2) (μg)
Idle Healthy 695 ± 127 12.3 ± 3.6 0.133 ± 0.041
  COPD 801 ± 178 16.0 ± 3.3* 0.176 ± 0.036*
Transient Healthy 350 ± 82 19.5 ± 5.9 0.131 ± 0.040
  COPD 386 ± 83 24.5 ± 6.3 0.164 ± 0.042
  1. *p < 0.05 for COPD compared to healthy group.