Vital signs and blood results of athletes on admission
| OT group (N=14) | IV group (N=14) | p Value | |
|---|---|---|---|
| SBP (mm Hg) | 110±11 (91–130) | 106±8 (89–115) | 0.21 |
| DBP (mm Hg) | 68±9 (48–80) | 67±10 (48–80) | 0.86 |
| Heart rate (bpm) | 81±10 (60–99) | 90±14 (42–102) | 0.79 |
| Serum [Na+] (mmol/l) | 139±3 (135–147) | 141±5 (136–150) | 0.18 |
| Plasma [glucose] (mmol/l) | 5.8±0.9 (4.6–8.0) | 5.8±1.2 (4.5–8.9) | 0.92 |
| Axillary temperature (°C)* | 36.1±0.9 (34.8–37.5) | 35.9±0.5 (35.1–37.5) | 0.62 |
| Pre–post-race body weight changes (%)† | −3.5±3.0 (−6.6–1.7) | −2.2±4.9 (−4.9–5.1) | 0.62 |
Values are expressed as averages±SD with the range in parenthesis.
↵* Temperature was only documented in 14 athletes (six in the oral fluid and Trendelenburg position (OT) and eight in the intravenous fluid (IV) groups).
↵† Relative weight change was only documented in 10 athletes (six in the OT and four in the IV groups).
DBP, diastolic blood pressure; SBP, systolic blood pressure.