| EHS (n = 47) | ERM (n = 13) | Total (n = 60) | P-value |
---|---|---|---|---|
Type of event | ||||
 Running (n (%)) | 37 (79) | 2 (15) | 39 (65) | < 0.001 |
 Military exercise (n (%)) | 7 (15) | 1 (8) | 8 (13) | 0.67 |
 Other activities (n (%))†| 2 (4) | 10 (77) | 12 (20) | < 0.001 |
 Not reported (n (%)) | 1 (2) | – | 1 (2) | – |
Distance goals and EHS/ERM onset in running events (n = 39) | ||||
 Marathon 42.2 km (n) | 10 | – | 10 | – |
  Distance (km) | 38.5 (19.0–42.2) | – | 38.5 (19.0–42.2) | – |
  Elapsed time (min) | 155 (30–360) | – | 155 (30–360) | – |
 Half marathon 21.1 km (n) | 7 | 2 | 9 | – |
  Distance (km) | 20.0 (18.0–21.1)* | 18.0 (16.0–20.0) | 20.0 (16.0–21.1)* | – |
  Elapsed time (min) | 60 (30–85)* | –** | 60 (30–85)* | – |
 15–20 km (n) | 13 | – | 13 | – |
  Distance (km) | 14.0 (11.0–16.1)** | – | 14.0 (11.0–16.1)** | – |
  Elapsed time (min) | 70 (20–90)** | – | 70 (20–90)** | – |
 10–15 km (n) | 4 | – | 4 | – |
  Distance (km) | 10.0 (6.0–10.0) | – | 10.0 (6.0–10.0) | – |
  Elapsed time (min) | 28 (15–46) | – | 28.0 (15–46) | – |
 0–10 km (n) | 3 | – | 3 | – |
  Distance (km) | 5.0 (4.5–6.5) | – | 5.0 (4.5–6.5) | – |
  Elapsed time (min) | 20 (18–20) | – | 20 (18–20) | – |
Environmental conditions††| ||||
 Ambient temperature (°C) | 21.9 ± 4.2 | 19.0 ± 7.7 | 21.7 ± 4.4 | 0.32 |
 Windspeed (m/s) | 4.9 ± 1.3 | 5.9 ± 1.2 | 4.9 ± 1.3 | 0.21 |
 Relative humidity (%) | 57.6 ± 12.7 | 39.2 ± 18.0 | 56.4 ± 14.0 | 0.39 |
 Not reported (n) | 9 | 10 | 19 |  |
Average climate Tamb (°C)††| 17.9 ± 3.1 | 14.4 ± 0 | 17.6 ± 3,1 |  |