Table 2: Prevalence of EIRSs in nurses and controls.

EIRSsNursesOffice workers value*
( )( )

Any exercise-induced respiratory symptom19 (39.6%)17 (35.4%).673
Cough11 (22.9%)13 (27.1%).637
Inability to get deep breath 14 (29.1%)11 (22.9%).585
Wheezing5 (10.4%)4 (8.3%)1.000
Chest tightness9 (18.8%)8 (16.7%).726
Noisy breathing4 (8.3%)6 (12.5%).740

Data are expressed as number and percentage of study subjects with certain variable.
EIRSs: exercise-induced respiratory symptoms.
*Tested by Chi-square test (or Fisher’s exact test where appropriate).