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Thorax 56:456-461 doi:10.1136/thorax.56.6.456
  • Original article

Increased nitric oxide metabolites in exhaled breath condensate after exposure to tobacco smoke

Table 1

Subject characteristics

Healthy smokers (n=15) Healthy non-smokers (n=14)
Age (years) 32 (2) 35 (2)
Sex (M/F) 7/8 6/8
FVC (% predicted) 97.1 (3.1) 100.5 (3.1)
FEV1 (% predicted) 90.1 (1.4) [87.07 to 93.11] 101.1 (2.6) [95.45 to 106.76]
Exhaled NO (ppb) 4.3 (0.3)1-150 [3.59 to 4.93] 5.5 (0.5) [4.46 to 6.48]
Exhaled CO (ppm) 12.5 (2.2)1-160 [7.85 to 17.20] 3.5 (0.3) [2.83 to 4.13]

  • FEV1 = forced expiratory volume in one second; FVC = forced vital capacity; NO = nitric oxide; CO = carbon monoxide.

  • monoxide. Values are means (SE) [95% confidence intervals].

  • ↵1-150 p<0.05;

  • ↵1-160 p<0.001.

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