Figure 1From: Haemoglobin concentration and mass as determinants of exercise performance and of surgical outcomeRelationship between the percent change in [Hb] and percent changein V ˙ O 2 max .Each data point represents the mean of each study using data obtained duringthe first 48 h after [Hb] manipulation. Figure reproduced withpermission from [33] using data fromnine studies [14–18, 34–37].Back to article page