Table 5: Heart Rates and Heart Rate Recovery Times at Screening, After Run-In (Pre-Randomization) and After Four Weeks of Treatment

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Screening
Heart rate after exercise challenge, beats/minute 171.2 ± 2.19 172.5 ± 1.69
Change from pre-exercise, beats/minute 78.7 ± 2.57 79.2 ± 2.15
Recovery time, minutes 31.4 ± 2.60 30.8 ± 2.36
Pre-Randomization
Heart rate after exercise challenge, beats/minute 175.0 ± 1.96 173.3 ± 1.64
Change from pre-exercise, beats/minute 78.8 ± 2.38 77.2 ± 2.23
Recovery time, minutes 31.1 ± 2.25 31.9 ± 2.33
Post-Treatment (4 Weeks)
Heart rate after exercise challenge, beats/minute 169.3 ± 2.23 169.0 ± 1.90
Change from pre-exercise, beats/minute 72.2 ± 2.47 74.6 ± 2.20
Recovery time, minutes 14.5 ± 2.16 12.7 ± 1.88

Data expressed as mean ± standard error of the mean.