Fig. 1

Mean hematocrit for the Intervention and Control arms at assessment points immediately pre-training, at the end of training and at the end of recovery. Intervention vs Control: p = 0.02 overall, p = 0.34 at pre-training, p = 0.14 at post-training and p = 0.08 at conclusion of recovery. Vertical lines are standard errors. N = 50, 45, 45 for Control, and N = 50, 46, 43 for Intervention for each time-point respectively