Systolic (SBP) and diastolic (DBP) blood pressure, rectal temperature, and medical diagnoses in three groups of Ironman triathletes differing in their extent of weight loss during the race
| Variable | Group 1 | Group 2 | Group 3 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n | Mean (SD) | Range | n | Mean (SD) | Range | n | Mean (SD) | Range | |
| Group 1, weight loss exceeding 5%; group 2, weight loss of 3.5–4.5%; group 3, weight loss of 3% to a weight gain of 3%. | |||||||||
| *Significantly different from before the race (p<0.0001). | |||||||||
| †Significantly different from before the race (p<0.05). | |||||||||
| SBP before race (mmHg) | 47 | 133 (13) | 110–160 | 55 | 134 (12) | 109–170 | 46 | 132 (11) | 110–164 |
| SBP after race (mmHg) | 68 | 112 (14)* | 70–140 | 52 | 117 (19)* | 85–180 | 55 | 114 (13)* | 90–155 |
| DBP before race (mmHg) | 47 | 78 (6) | 63–90 | 55 | 79 (11) | 60–110 | 46 | 78 (9) | 50–100 |
| DBP after race (mmHg) | 68 | 75 (10) | 40–100 | 52 | 73 (11)† | 50–100 | 55 | 74 (8) | 55–94 |
| Rectal temperature after race (°C) | 38 | 37.5 (1.0) | 34.2–38.8 | 29 | 37.7 (0.7) | 36.1–38.9 | 31 | 37.6 (0.7) | 36.1–39.9 |
| Medical diagnoses | 5 | 3 | 4 | ||||||