Table 3. Blood gas samples of collapsed runners in need of advanced medical care.
| Measure | N | Mean | Median | sd | Min | Max | Low (%) | Normal (%) | High (%) |
|---|---|---|---|---|---|---|---|---|---|
| pH | 150 | 7.34 | 7.37 | 0.12 | 6.97 | 7.63 | 38 | 36 | 26 |
| pCO2 (kPa) | 150 | 5.07 | 4.97 | 1.30 | 2.10 | 9.66 | 63 | 24 | 13 |
| pO2 (kPa) | 146 | 5.67 | 5.71 | 1.95 | 1.74 | 13.5 | 23 | 21 | 56 |
| Hb (g/L) | 150 | 154 | 157 | 14 | 108 | 190 | N/A | N/A | N/A |
| sO2 (%) | 150 | 66 | 70 | 23 | 5 | 98 | 57 | 43 | N/A |
| FCOHb (%) | 117 | 0.54 | 0.6 | 0.14 | 0.1 | 0.8 | N/A | 100 | 0 |
| FMetHb (%) | 118 | 0.76 | 0.75 | 0.26 | 0.1 | 1.4 | N/A | 100 | 0 |
| K+ (mmol/L) | 150 | 4.4 | 4.4 | 0.64 | 3.0 | 7.7 | 4 | 80 | 16 |
| Na+ (mmol/L) | 150 | 146 | 147 | 3 | 136 | 155 | 0 | 37 | 63 |
| Ca2+ (mmol/L) | 150 | 1.18 | 1.18 | 0.05 | 1.02 | 1.34 | 22 | 77 | 1 |
| Cl- (mmol/L) | 147 | 106 | 106 | 3 | 98 | 117 | 0 | 86 | 14 |
| Glucose (mmol/L) | 149 | 5.8 | 5.5 | 1.6 | 2.8 | 12.7 | 2 | 97 | 1 |
| Lactate (mmol/L) | 147 | 7.7 | 5.8 | 5.4 | 0.9 | 25.0 | N/A | 7 | 93 |
| BE (mmol/L) | 119 | -4.6 | -3.3 | 5.5 | -20.0 | 6.1 | 53 | 44 | 3 |
| HCO3- (mmol/L) | 119 | 20.4 | 21.3 | 3.9 | 10.8 | 27.7 | 51 | 46 | 3 |