Table 2 Descriptive statistics for key GXT and Rockport variables
From: Construct validation of a non-exercise measure of cardiorespiratory fitness in older adults
Variable | Mean (SD) |
|---|---|
GXT Variables | |
VO2 (L/min) | 1.73 (.53) |
VO2 (mL/kg/min) | 21.58 (4.90) |
Maximum heart rate (beats/min) | 156.78 (19.47) |
Maximum respiratory exchange ratio (RER) | 1.11 (.07) |
Rockport variables | |
Walk time (minutes) | 17.05 (2.12) |
Exercise heart rate (beats/min) | 117.36 (16.17) |
Body weight (kg) | 79.82 (14.68) |