Table 2
Additional test-retest results for power output, oxygen uptake (VO), and Ratings of Perceived Exertion (RPE) during the Aerobic Power Index submaximal aerobic exercise test (n = 18).
Power output (W·kg
-1
)
VO
2
(ml·kg
-1
·min
-1
)
RPE
Test 1
Test 2
Test 1
Test 2
Test 1
Test 2
Mean (± SD)
1.31 (.43)
1.32 (.41)
14.19 (4.00)
14.69 (3.82)
12.39 (2.07)
12.40 (2.37)
Confidence intervals
†ƒ†ƒ†ƒLower bound
-.92
-1.25
-.85
†ƒ†ƒ†ƒUpper bound
.06
.24
.81
Paired
t
-test (two-tailed)
p = .75
p = .18
p = .96
TEM
.11
1.18
1.0
Relative TEM (%)
8.65%
7.37%
9.57%
Intra-class Correlation
0.96
0.96
0.83
LOG (bias ± random error)
-.01 ± .32
-.02 ± 3.29
-.50 ± 2.95
TEM: technical error of measurement