TABLE 3.
Demographics of individuals with exercise-induced laryngeal obstruction (EILO)
| General/adult respiratory services | Paediatric respiratory services | Total | ||||
| Bispebjerg Hospital (DK) | Royal Brompton Hospital (UK) | Cayuga Medical Center (USA) | Aarhus University Hospital Skejby (DK) | Rigshospitalet (DK) | ||
| Subjects n | 218 | 156 | 60 | 111 | 41 | 586 |
| Age median years (range) | 21 (9–59) | 28 (12–76) | 16 (9–50) | 13 (8–24) | 13 (8–17) | 21 (8–76) |
| Female/male n (% female) | 160/58 (73) | 122/34 (78) | 50/10 (83) | 89/22 (80) | 23/18 (56) | 444/142 (76) |
| Body mass index kg·m−2 | 22.9±4.0 | 23.7±4.3 | 21.9±3.3 | 19.5±2.9 | 19.6±2.4 | 22.2±14.9 |
| Asthma | 111 (51) | 54 (35) | 9 (15) | 34 (31) | 5 (12) | 213 (36) |
| EILO | ||||||
| Supraglottic predominant | 110 (50) | 119 (76) | 14 (23) | 92 (83) | 19 (46) | 354 (60) |
| Glottic predominant | 67 (31) | 14 (9) | 7 (12) | 4 (4) | 7 (17) | 99 (18) |
| Glottic and supraglottic | 41 (19) | 11 (7) | 39 (65) | 15 (14) | 8 (20) | 114 (19) |
| Other | 0 (0) | 12 (8) | 0 (0) | 0 (0) | 7 (17) | 19 (3) |
| Duration of EILO symptoms | 24 (1–216) | 24 (0–420) | 22 (1–120) | 24 (1–84) | # | 24 (0–420) |
| Asthma | ||||||
| Discontinued asthma medication | 30 (14) | 15 (9) | 8 (13) | 30 (27) | 36 (88) | 119 (20) |
| Former or current asthma medication | 51 (23) | 16 (10) | 20 (33) | 41 (37) | 36 (88) | 164 (28) |
| Sports | ||||||
| Top five sports % EILO positive | Running (19) Swimming (13) Cycling (11) Soccer (6) Fitness (5) |
Running (17) Cycling (9) Swimming (6) Rowing (6) Triathlon (3) |
Running (32) Basketball (20) Swimming (15) Soccer (15) Lacrosse (12) |
Handball (27) Soccer (18) Swimming (10) Gymnastics (5) Badminton (5) |
Soccer (15) Handball (10) Swimming (7) Running (5) Basketball (5) |
Running (15) Swimming (10) Soccer (8) Cycling (6) Handball (6) |
Data are presented as median (range), mean±sd or n (%), unless otherwise stated. DK: Denmark; #: no data were available on symptom duration.