Abstract P251 Table 1
FeNO +veFeNO −ve
PC20 +ve (≤16 ml/mg)632
PC20 −ve (>16 ml/mg)1790
Pearson Chi-Square = 0.000, DF = 1, P = Value = 0.989
PC20 +ve (≤8 ml/mg)622
PC20 −ve (>8 ml/mg)17100
  • Pearson Chi-Square = 0.806, DF = 1, P = Value = 0.369