BOHRF Original Authors' Main Conclusions
The original authors' main conclusions are taken from Abstract, Results and
Discussion. They are decided upon by the authors of the BOHRF occupational
asthma guidelines and form part of the guidelines.
We issued a questionnaire and performed skin prick tests and spirometry on 3 groups of employees defined according to exposure. 13 (62%) of the 21 patients exposed daily, 4 (21%) of the 19 exposed more than once a week, and 3 (20%) of the 15 exposed less than once a week had work-related respiratory symptoms. Of 8 subjects with symptoms of the lower respiratory tract, 7 were in the group exposed most often. x2 testing for linear trend showed a strong relation between the proportion affected in each group and the frequency of exposure to dust (p < 0.001).
BOHRF Associated Evidence Statements
The BOHRF occupational asthma guidelines state that this reference is associated
with the following evidence statements
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