Table 1—

Characteristics of 87 subjects with toluene diisocyanate (TDI) asthma at the time of diagnosis and the follow-up visit

Age yrs38.0±1.248.7±1.2#
Smoking habits
 Current smoker8.0%6.9%
Atopic status23.0%28.7%
Duration of exposure yrs12.0±0.9
Duration of symptoms yrs3.8±0.5
Current exposure
Symptoms of asthma100%71.0%
Type of asthmatic reaction
 Late alone54.0%
  • Data are presented as mean±sem unless otherwise stated

  • #: significantly different from age of diagnosis by use of Mann-Whitney test

  • p<0.001

  • : significantly different from symptoms at diagnosis by use of the Chi-squared test

  • p<0.001