Table 1—

Subject characteristics

GroupnMales nAge yrsSteroidsFEV1 % predNOBr nL·s−1NOAlv ppbECP µg·L−1EPX µg·L−1
Asthma16536±3Before85±33.6±0.41.2±0.525±553±7
After93±4**0.7±0.1***1.2±0.116±2*35±4**
Control16537±3No96±3*0.7±0.1***1.0±0.213±3*26±4**
  • Values are expressed as mean±sem

  • NOBr: bronchial nitric oxide (NO) flux

  • NOAlv: alveolar NO concentration

  • ECP: serum level of eosinophil cationic protein

  • EPX: serum level of eosinophil protein X

  • FEV1: forced expiratory volume in one second

  • ppb: parts per billion

  • *: p<0.05

  • **: p<0.01

  • ***: p<0.001

  • compared with the asthma group before steroid treatment