Maize pollen is an important allergen in occupationally exposed workers

Table 3 Lung function and rhinomanometry

	*Subject*
	1	2	3	4	5	6	7	8
*FVC* (%) *	109	99	102	108	n/a	100	123	99
*FEV* ₁ (%) *	106	102	88	95	n/a	87	115	98
*FEV* ₁ */FVC%* (%) *	103	106	91	89	n/a	91	101	103
*NS BHR* , yes (+)/no (-)	-	-	+	+	n/a	-	-	-
*FeNO* (ppb)	18.5	20.5	25.2	73.4	n/a	9.7	10.9	10.8
*Δ FEV* ₁ *after vs. before pollination* (%)	+6.2	+2.9	+4.0	-7.8	n/a	+12.1	-1.5	n/a
*Δ nasal flow after vs. before pollination* (%)	+72.8	-56.5	-8.2	+63.5	n/a	+72.9	+40.2	n/a

(according to work-related symptoms and CAP results (CAP class ≥ 1) subjects 1 to 5 were considered as "maize pollen-allergic")
*data were expressed as predicted values (reference values by Brändli et al. (2000))
NS BHR = non-specific bronchial hyperresponsiveness
significant changes of lung function parameters after pollination are bold
n/a = not applicable

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