Table 4– Relationship of Nijmegen Questionnaire (NQ) scores to sex, pulmonary function and aero-allergen sensitisation
NQ ≥23NQ 18–23NQ <18p-value
Female/male8/311/7130/470.003
FEV1 % pred102.8±11.699.18±12.3100.3±15.170.825
FeNO ppb14.0 (2.3–24.8)13 (6.8–51.3)12.0 (0–23.8)0.312
Aero-allergen sensitisation3/119/1894/1770.251
  • Data are presented as n, mean±sd or median (range), unless otherwise stated. FEV1: forced expiratory volume in 1 s; % pred: % predicted; FeNO: exhaled nitric oxide fraction.