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Table 2 Lung function following exposure to diesel exhaust or ozone

From: Diesel exhaust but not ozone increases fraction of exhaled nitric oxide in a randomized controlled experimental exposure study of healthy human subjects

  Diesel exhaust Filtered air Ozone Filtered air
  (n = 10) (n = 10) (n = 30) (n = 30)
FEV 1 , L     
 Pre-exposure 4.3 ± 0.31 4.3 ± 0.31 4.3 ± 0.5 4.3 ± 0.5
 2 hours 4.3 ± 0.63 4.3 ± 0.31 4.2 ± 0.6 4.3 ± 0.5
FVC, L     
 Pre-exposure 6.1 ± 0.63 6.0 ± 0.63 5.8 ± 0.8 5.8 ± 0.8
 2 hours 6.1 ± 0.63 6.1 ± 0.95 5.6 ± 0.8 5.7 ± 0.8
  1. Data are reported as mean ± SD.
  2. FEV1 = Forced expiratory volume in one second.
  3. FVC = Forced vital capacity.