Table 2. Athlete demographics.
| Overall | Marathon | Long- triathlon | Alpine cycling | Ultra- triathlon | p-value | |
|---|---|---|---|---|---|---|
| n | 40 | 7 | 11 | 9 | 13 | |
| Age (yrs) | 37 ± 8 | 38 ± 3 | 33 ± 7 | 44 ± 9 | 34 ± 8 | 0.014 |
| Male (%) | 90 | 86 | 91 | 78 | 100 | 0.378 |
| BMI (kg/m2) | 23.6 ± 1.9 | 22.3 ± 1.6 | 24.0 ± 2.1 | 23.9 ± 2.1 | 23.5 ± 1.3 | 0.306 |
| BSA (m2) | 1.9 ± 0.2 | 1.9 ± 0.1 | 1.9 ± 0.2 | 2.0 ± 0.2 | 1.9 ± 0.1 | 0.918 |
| VO2 max (ml/kg/min) | 57.4 ± 6.4 | 55.5 ± 3.3 | 58.0 ± 9.2 | 53.2 ± 2.5 | 60.4 ± 5.0 | 0.046 |
| Predicted VO2 (%) | 146 ± 18 | 142 ± 8 | 141 ± 20 | 154 ± 20 | 148 ± 18 | 0.36 |
| Training (years) | 10 ± 9 | 13 ± 8 | 6 ± 5 | 12 ± 14 | 11 ± 9 | 0.277 |
| Training (hrs/wk) | 16.3±5.1 | 14 ± 6 | 14 ± 3 | 13 ± 4 | 21 ± 5 | <0.0001 |
BMI, body mass index; BSA, body surface area (Dubois formula)
Underlined values signify those which differ from the mean