Table 6 Reproducibility of the HR (b·min) variable during a test-retest protocol.
Variable
Velocity
Data
Device A M (SD)
Device B M (SD)
Change in Mean
95% CL
CV
ICC
HR (b·min-1)
All velocities
All
146.1 (35.4)
141.1 (33.4)
-4.26
-4.82 to -3.69
8.0
.92*
Clean
143.1 (34.4)
138.8 (32.7)
-4.2
-4.56 to -3.92
4.6
.97*
4-6 km·h-1
All
99.5 (16.8)
99.7 (16.8)
-1.82
-2.41 to -1.23
5.9
.89*
Clean
-
-
-
-
-
-
8-10.5 km·h-1
All
157.0 (25.0)
151.9 (22.5)
-5.09
-5.89 to -4.28
8.7
.73*
Clean
156.5 (22.7)
151.4 (21.5)
-5.13
-5.55 to -4.71
4.1
.93*
11 km·h-1
All
179.9 (17.7)
175.1 (18.5)
-4.80
-6.44 to -3.16
7.4
.54*
Clean
177.6 (12.0)
172.0 (13.3)
-5.58
-6.34 to -4.82
2.8
.85*
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)