Table 4.
Results of Each Volunteer Subject Showing Matthews Correlation Coefficients (MCC) of the Best Sensor Algorithms at Correctly Predicting Wear-Times.
Subject | Proximity foot | Proximity leg | Acceleration 4 | Temperature 2 |
---|---|---|---|---|
1—Trial 1 | 0.93 | 0.97 | 0.79 | 0.86 |
2—Trial 1 | 0.75 | 0.91 | 0.65 | 0.69 |
3—Trial 1 | 0.88 | 0.97 | — | 0.39 |
1—Trial 2 | 0.99 | 0.98 | 0.86 | 0.94 |
2—Trial 2 | 1.00 | 0.90 | 0.87 | 0.97 |
3—Trial2 | 0.91 | 0.67 | 0.72 | 0.83 |
4 | 0.98 | 0.62 | 0.93 | 0.87 |
5 | 0.98 | 0.99 | 0.90 | 0.94 |
6 | 0.93 | 0.80 | 0.85 | 0.80 |
7 | 0.97 | 0.84 | 0.65 | 0.96 |
8 | 0.88 | 0.93 | - | 0.59 |
9 | 0.98 | 0.98 | 0.79 | 0.63 |
10 | 0.98 | 0.98 | 0.94 | 0.93 |
Mean MCC | 0.94 | 0.89 | 0.81 | 0.80 |
Stdev. | 0.07 | 0.12 | 0.10 | 0.18 |
MCC CI | 0.90-0.97 | 0.82-0.96 | 0.76-0.87 | 0.70-0.90 |
Acceleration data were not available for subject 3, trial 1 and for subject 8.
Abbreviations: CI, confidence interval; stdev., standard deviation.