FIG. 3.
Plot of mean VO2/kg over time at hourly intervals after study drug administration. On the X axis, 1 indicates the 1st hour after drug administration(all data between hour 0 [time of drug administration] and hour 1), 2 indicates the 2nd hour (data between hour 1 and hour 2), and soon. The number of patients contributing to means at certain select timepoints is specified in the annotations (annotating text is colored red for the placebo group and blue for the esmolol group). Over all timepoints, a total of 15 patients (6 patients from esmolol group and 9 from control group) contributed VO2 data.