Characteristics of 28 included athletes consecutively referred for work-up of EIIS and diagnosed with EILO at the outpatient clinic at the Pediatric Department of Haukeland University Hospital in Bergen, Norway between May 2012 and May 2014 who were offered a structured treatment period with IMT
| Variable | N=28 |
| Category | Statistic |
| Female, n (%) | 24 (85.7) |
| Age in years, mean (SD) | 16.4 (2.8) |
| Height in cm, mean (SD) | 169.4 (8.4) |
| Weight in kg, mean (SD) | 61.6 (10.9) |
| Type of sports, n | |
| Soccer | 6 |
| Handball | 6 |
| Cross-country skiing | 4 |
| Biathlon | 4 |
| Athletics | 2 |
| Cycling | 2 |
| Swimming | 2 |
| Running | 1 |
| Kayaking | 1 |
| Competition level, n | |
| International | 4 |
| National | 13 |
| National regional | 11 |
| Level of laryngeal obstruction* | |
| Supraglottic>glottic | 7/28 |
| Glottic>supraglottic | 2/28 |
| Supraglottic=glottic | 19/28 |
| Solely glottic | 0/28 |
*At maximum exercise, before IMT.
EIIS, exercise-induced inspiratory symptom; EILO, exercise-induced laryngeal obstruction; IMT, inspiratory muscle training.