Morris et al evaluated adult men for their aerobic exercise capacity and maximal heart rate during exercise. The authors are from the Long Beach and Palo Alto Veteran Affairs Medical Centers and Stanford University.
Populations:
(1) males 21 to 89 years of age who were referred for exercise testing and free of apparent heart disease
(2) males 18 to 72 years of age who were healthy volunteers
exercise capacity in percent =
= (observed MET level) / (predicted MET level) * 100%
Patient Group
Predicted METs for Referred Patients
Predicted METs for Healthy Volunteers
active subgroup
(-0.15 * (age)) + 18.7
(-0.13 * (age)) + 16.4
sedentary subgroup
(-0.16 * (age)) + 16.6
(-0.07 * (age)) + 11.9
whole group
(-0.15 * (age)) + 18.0
(-0.11 * (age)) + 14.7
where:
• The active referred patients seem to have higher predicted METs than the healthy active volunteers. The sedentary volunteers have higher predicted METs than the sedentary patients.
Patient Group
Maximal Heart Rate
referred patients
(-0.9 * (age)) + 196
healthy volunteers
(-0.72 * (age)) + 200
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