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Table 2 Sport event characteristics and environmental conditions extracted from the nearest weather station

From: Exertional Heat Stroke and Rhabdomyolysis: A Medical Record Review and Patient Perspective on Management and Long-Term Symptoms

 

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

 
  1. EHS Exertional heatstroke; ERM Exertional rhabdomyolysis
  2. †Other activities include CrossFit, bootcamp, alpinism, swimming, cycling, gymnastics
  3. ††Depicted as mean ± SD
  4. *Missing value in 1 participant
  5. **Missing value in 2 participants