Table 2

 Pulmonary function data in subjects not sensitised to Der p 1 (unadjusted data)

Exposed to high levels of Der p 1Not exposed to high levels of Der p 1
PD20 (mg)N1726
GM (95% CI)0.21 (0.09 to 0.47)0.86 (0.44 to 1.67)
Mean ratio difference (95% CI)4.1 (1.5 to 11.4)
p = 0.008
eNO (ppb)N2529
GM (95% CI)13.9 (9.6 to 20.1)9.3 (6.8 to 12.7)
Mean ratio difference (95% CI)0.7 (0.4 to 1.1)
p = 0.09
FEV1 (% predicted)N2733
Mean (95% CI)87.2% (78.8 to 95.6)94.5% (88.1 to 100.9)
Mean difference (95% CI)7.3 (−2.8 to 17.4)
p = 0.15