From: Measuring freezing of gait during daily-life: an open-source, wearable sensors approach
Video | # of detected episodes | ICC (2,1)- CI | # of detected episodes | ICC (2,1)- CI | # of detected episodes | ICC (2,1)- CI | |||
---|---|---|---|---|---|---|---|---|---|
Rater 1 vs Rater 2 | Rater 1 | Rater 2 | Very Short episodes (< 1 s) | Rater 1 | Rater 2 | Short episodes (2 to 5 s) | Rater 1 | Rater 2 | Long episodes (> 5 s) |
Walk 2-min ST | 7 | 45 | 0.396 (− 0.210 to 0.698) | 35 | 31 | 0.892 (0.795 to 0.943) | 13 | 9 | 0.848 (0.707 to 0.921) |
Walk 1-min DT | 3 | 25 | 0.346 (− 0.375 to 0.689) | 13 | 30 | 0.743 (0.492 to 0.870) | 8 | 10 | 0.929 (0.857 to 0.964) |
Overall | 10 | 70 | 0.390 (− 0.005 to 0.629) | 48 | 61 | 0.839 (0.746 to 0.899) | 21 | 19 | 0.875 (0.801 to 0.922) |
Wearable sensors on feet | # of detected episodes | ICC (2,1)- CI | # of detected episodes | ICC (2,1)- CI | # of detected episodes | ICC (2,1)- CI | |||
---|---|---|---|---|---|---|---|---|---|
Algorithm vs Raters | Algorithm | Raters | Very Short episodes (< 1 s) | Algorithm | Raters | Short episodes (2 to 5 s) | Algorithm | Raters | Long episodes (> 5 s) |
Walk 2-min ST | 71 | 26 | 0.474 (0.025 to 0.718) | 36 | 33 | 0.915 (0.841 to 0.955) | 7 | 11 | 0.872 (0.761 to 0.932) |
Walk 1-min DT | 57 | 14 | 0.355 (− 0.161 to 0.658) | 12 | 22 | 0.387 (− 0.171 to 0.683) | 6 | 9 | 0.932 (0.865 to 0.966) |
Overall | 128 | 40 | 0.431 (0.018 to 0.662) | 48 | 55 | 0.818 (0.714 to 0.884) | 13 | 20 | 0.895 (0.833 to 0.934) |
Wearable sensors on shins | # of detected episodes | ICC (2,1)- CI | # of detected episodes | ICC (2,1)- CI | # of detected episodes | ICC (2,1)- CI | |||
---|---|---|---|---|---|---|---|---|---|
Algorithm vs Raters | Algorithm | Raters | Very Short episodes (< 1 s) | Algorithm | Raters | Short episodes (2 to 5 s) | Algorithm | Raters | Long episodes (> 5 s) |
Walk 2-min ST | 94 | 26 | 0.374 (− 0.175 to 0.666) | 24 | 33 | 0.703 (0.443 to 0.842) | 4 | 11 | 0.688 (0.414 to 0.833) |
Walk 1-min DT | 49 | 14 | − 0.176 (− 1.306 to 0.400) | 20 | 22 | 0.619 (0.252 to 0.806) | 4 | 9 | 0.814 (0.636 to 0.905) |
Overall | 143 | 40 | 0.304 (− 0.095 to 0.558) | 44 | 55 | 0.672 (0.485 to 0.792) | 8 | 20 | 0.744 (0.597 to 0.837) |