Table 1.
Change in leukocyte subset counts following 75 km cycling in n = 20 cyclists (immediately, 1.5 h, and 21 h post-exercise).
| Variable | Water | Cavendish Banana | Sugar Beverage | p-Values (Time Effect; Interaction Effect) |
|---|---|---|---|---|
| Total blood leukocytes (109/L) | ||||
| Pre-exercise | 5.15 ± 0.3 | 5.16 ± 0.4 | 5.24 ± 0.4 | <0.001; <0.001 |
| Immediate post-exercise | 15.6 ± 1.3 | 10.5 ± 0.7 * | 9.70 ± 0.6 * | |
| 1.5 h post-exercise | 12.2 ± 1.0 | 9.11 ± 0.5 * | 9.07 ± 0.6 * | |
| 21 h post-exercise | 5.72 ± 0.4 | 5.09 ± 0.3 | 5.13 ± 0.3 | |
| Neutrophil count (109/L) | ||||
| Pre-exercise | 2.50 ± 0.2 | 2.48 ± 0.2 | 2.71 ± 0.3 | <0.001; <0.001 |
| Immediate post-exercise | 11.7 ± 1.1 | 7.34 ± 0.6 * | 6.71 ± 0.5 * | |
| 1.5 h post-exercise | 10.0 ± 0.9 | 6.82 ± 0.5 * | 6.86 ± 0.5 * | |
| 21 h post-exercise | 3.05 ± 0.3 | 2.49 ± 0.2 * | 2.66 ± 0.2 * | |
| Lymphocyte count (109/L) | ||||
| Pre-exercise | 1.98 ± 0.1 | 2.01 ± 0.1 | 1.87 ± 0.1 | <0.001; 0.009 |
| Immediate post-exercise | 2.53 ± 0.1 | 2.28 ± 0.2 | 2.11 ± 0.1 | |
| 1.5 h post-exercise | 1.26 ± 0.1 | 1.55 ± 0.1 | 1.46 ± 0.1 | |
| 21 h post-exercise | 1.98 ± 0.1 | 1.94 ± 0.1 | 1.78 ± 0.1 | |
| Monocyte count (109/L) | ||||
| Pre-exercise | 0.43 ± 0.1 | 0.43 ± 0.1 | 0.42 ± 0.1 | <0.001; 0.006 |
| Immediate post-exercise | 1.01 ± 0.1 | 1.02 ± 0.1 | 1.12 ± 0.1 * | |
| 1.5 h post-exercise | 0.71 ± 0.1 | 0.80 ± 0.1 * | 0.80 ± 0.1 * | |
| 21 h post-exercise | 0.46 ± 0.1 | 0.50 ± 0.1 | 0.50 ± 0.1 * |
* p < 0.017 compared to the change from pre-exercise in the water condition.