Table 8 Reproducibility of the ACC (VMU/ctsec) variable during a test-retest protocol.
Variable
Velocity
Data
Device A M (SD)
Device B M (SD)
Change in Mean
95% CL
CV
ICC
ACC (VMUct.sec-1)
All velocities
All
0.85(0.36)
0.87(0.36)
0.02
0.02 to 0.03
14.7
.92*
Clean
0.29(0.10)
0.31(0.11)
0.02
0.01 to 0.02
15.8
.84*
4-6 km·h-1
All
1.02(0.17)
1.05(0.18)
0.02
0.01 to 0.03
14.5
.53*
Clean
1.10(0.16)
1.12(0.16)
0.02
0.00 to 0.04
13.2
.39*
8-10.5 km·h-1
All
0.85(0.36)
0.87(0.36)
0.02
0.02 to 0.03
14.7
.92*
Clean
0.29(0.10)
0.31(0.11)
0.02
0.01 to 0.02
15.8
.84*
11 km·h-1
All
1.02(0.17)
1.05(0.18)
0.02
0.01 to 0.03
14.5
.53*
Clean
1.10(0.16)
1.12(0.16)
0.02
0.00 to 0.04
13.2
.39*
Tabular report of reliability statistics: Descriptive statistics, Standard Deviation (SD), Change in mean, 95% Confidence Limits (CL), Coefficient of Variation (CV) and Intra Class Coefficient (ICC)