Table 6 Overview of intra device reproducibility of Bioharness device.
Variables
Device No
Descriptive Data
Reliability Data
Test 1 M ± S
Test 2 M ± S
Change in mean
95% CL
CV
ICC
HR (b·min-1)
Device 4
104.5 ± 28.4
98.1 ± 27.9
-6.4
-6.99 to -5.73
2.5
.99*
Device 5
104.4 ± 30.7
106.0 ± 29.7
1.6
.54 to 2.58
4.7
.98*
Device 6
100.7 ± 24.1
111.0 ± 29.2
10.3
8.73 to 11.86
5.4
.97*
Device 7
103.1 ± 28.3
102.2 ± 24.2
-.9
-2.15 to 0.41
5.9
.97*
BF (br·min†‘1)
Device 4
24.6 ± 2.8
28.1 ± 8.1
3.4
2.39 to 4.47
13.7
.57
Device 5
29.6 ± 8.3
24.6 ± 3.7
-4.7
-6.05 to -3.88
13.2
.59
Device 6
25.1 ± 3.9
26.1 ± 4.0
1.0
.20 to 1.81
11.4
.41
Device 7
29.7 ± 7.4
32.5 ± 9.4
2.9
1.64 to 4.09
13.2
.72*
ACC (ct·sec-1)
Device 4
0.77 ± 0.42
0.80 ± 0.42
.03
.01 to .04
7.0
.99*
Device 5
0.81 ± 0.42
0.81 ± 0.43
.01
-.01 to .02
5.4
.99*
Device 6
0.80 ± 0.42
0.77 ± 0.41
.02
-.04 to -.01
5.6
.99*
Device 7
0.81 ± 0.43
0.81 ± 0.43
.01
-.01 to .02
5.7
.99*
ST (°C)
Device 4
30.8 ± 1.51
30.1 ± 0.66
-.69
-.81 to -.56
1.5
.90*
Device 5
30.1 ± 1.76
30.5 ± 1.24
.36
.25 to .48
1.5
.92*
Device 6
29.3 ± 1.24
30.2 ± 1.33
.89
.79 to .98
1.2
.92*
Device 7
31.2 ± 1.51
29.2 ± 0.66
-1.94
-2.17 to -1.71
2.7
.48
P (°)
Device 4
46.9 ± 25.0
45.1 ± 25.7
-1.8
-.51 to -2.91
10.1
.99*
Device 5
44.0 ± 24.4
45.4 ± 24.8
1.4
.61 to 2.14
1.6
.99*
Device 6
44.8 ± 23.5
44.4 ± 24.9
-.4
-1.55 to .80
5.5
.99*
Device 7
44.8 ± 23.3
44.1 ± 25.2
-.6
-2.29 to 1.04
8.8
.99*
* p < 0.01
Tabular report of reliability statistics: Descriptive statistics, Standard Deviation (S), 95% Confidence Limits (95% CL), Change in Mean, Coefficient of Variation (CV) and Intra Class Correlations (ICC)