Table 4

Respiratory symptoms in athletes positive and negative to EVH challenge

NNo of athletes reporting at least one symptomCoughingWheezingTight chestDyspnoeaExcess mucus production
EVH negative and no previous diagnosis14159 (42%)45 (32%)11 (8%)13 (10%)8 (6%)17 (12%)
EVH negative with a previous diagnosis97 (78%)5 (56%)5 (56%)*4 (44%)*5 (56%)*3 (33%)
EVH positive and no previous diagnosis5729 (50%)24 (42%)7 (12%)14 (25%)4 (7%)10 (18%)
EVH positive with previous diagnosis2117 (81%)11 (52%)13 (62%)*11 (52%)*6 (29%)*7 (33%)
Total228112 (49%)85 (37%)36 (16%)42 (18%)23 (10%)37 (16%)
  • * Significantly (p<0.01) different from athletes with no previous history of exercise-induced bronchoconstriction (EIB).

  • Significantly (p<0.05) different from athletes with no previous history of EIB.

  • Significantly different (p<0.01) from wheezing, tight chest, dyspnoea and excess mucus production.

  • EVH, eucapnic voluntary hyperpnoea.