Table 4 Inter-study variability in the healthy volunteer
Inter-study | # | Bias | LOA | CV | CR | ICC (95% CI) | ||
|---|---|---|---|---|---|---|---|---|
Expert | Global | ErrSAX | 120 | 1.34* | [−7.1;9.8]£ | 22.0 | ±12.0 | 0.87 (0.74–0.95) |
EccSAX | 120 | 0.26 | [−2.3;2.9] | 13.5 | ±3.7 | 0.90 (0.79–0.97) | ||
EllLAX | 20 | −1.79* | [−3.3;-0.3]£ | 9.6 | ±2.1 | 0.52 (0.10–1.00) | ||
Segm. | ErrSAX | 660 | −0.23 | [−11.8;11.4]$£ | 30.7 | ±16.4 | 0.86 (0.80–0.91) | |
EccSAX | 660 | 1.02* | [−4.3;6.3] | 26.8 | ±7.5 | 0.84 (0.78–0.89) | ||
EllLAX | 140 | 0.66* | [4.8;6.1]£ | 33.4 | ±7.7 | 0.60 (0.41–0.81) | ||
Skilled Observer | Global | ErrSAX | 120 | 1.53* | [−7.2;10.3] | 22.8 | ±12.4 | 0.86 (0.72–0.95) |
EccSAX | 120 | 0.08 | [−2.8;3.0] | 15.5 | ±4.1 | 0.88 (0.77–0.96) | ||
EllLAX | 20 | −1.56* | [−3.2;0.1] | 10.4 | ±2.3 | 0.50 (0.08–1.00) | ||
Segm. | ErrSAX | 660 | −0.29 | [−11.0;10.4]$ | 28.3 | ±15.1 | 0.87 (0.81–0.91) | |
EccSAX | 660 | 0.95* | [−4.0;5.9] | 25.7 | ±7.0 | 0.87 (0.83–0.91) | ||
EllLAX | 140 | 0.86* | [−4.2;6.0] | 32.2 | ±7.3 | 0.60 (0.40–0.80) | ||
Beginner | Global | ErrSAX | 120 | 0.83 | [−8.5;10.1]£ | 24.6 | ±13.1 | 0.84 (0.69–0.94) |
EccSAX | 120 | 0.13 | [−3.0;3.3] | 16.0 | ±4.5 | 0.88 (0.76–0.96) | ||
EllLAX | 20 | −2.06* | [−4.2;0.1]£ | 13.7 | ±3.1 | 0.40 (0.03–1.00) | ||
Segm. | ErrSAX | 660 | 0.01 | [−12.8;12.8]£ | 34.3 | ±18.1 | 0.83 (0.77–0.88) | |
EccSAX | 660 | 0.90* | [−5.0;6.8] | 29.3 | ±8.3 | 0.83 (0.77–0.89) | ||
EllLAX | 140 | 1.42* | [−5.7;8.5]£ | 45.6 | ±10.0 | 0.51 (0.36–0.78) | ||