Table 2 Intra-observer variability (by the skilled observer)
Intra-observer | # | Bias | LOA | CV | CR | ICC (95% CI) | ||
|---|---|---|---|---|---|---|---|---|
Healthy Volunteer | Global | ErrSAX | 120 | −0.33* | [−2.9;2.2] | 4.7 | ±3.6 | 0.98 (0.98–0.98) |
EccSAX | 120 | −0.13 | [−2.0;1.7] | 5.0 | ±2.6 | 0.99 (0.98–0.99) | ||
EllLAX | 20 | 0.06 | [−1.3;1.4] | 4.4 | ±1.9 | 0.89 (0.73–0.95) | ||
Segm. | ErrSAX | 660 | −0.25 | [−8.4;7.9] | 12.3 | ±11.5 | 0.98 (0.98–0.99) | |
EccSAX | 660 | −0.12 | [−5.8;5.6] | 15.1 | ±8.1 | 0.96 (0.96–0.97) | ||
EllLAX | 140 | 0.14 | [−5.9;6.2] | 19.4 | ±8.6 | 0.89 (0.85–0.92) | ||
Normal Group | Global | ErrSAX | 87 | −0.22* | [−2.0;1.6]§ | 3.7 | ±2.6 | 1.00 (1.0–1.0) |
EccSAX | 87 | 0.08 | [−1.1;1.3] | 3.7 | ±1.7 | 0.99 (0.99–1.0) | ||
EllLAX | 20 | 0.07 | [−1.4;1.5] | 5.2 | ±2.0 | 0.95 (0.89–0.98) | ||
Segm. | ErrSAX | 470 | −0.18 | [−7.7;7.4]§ | 15.3 | ±10.7 | 0.98 (0.97–0.98) | |
EccSAX | 470 | 0.12 | [−4.2;4.5] | 13.3 | ±6.2 | 0.97 (0.96–0.97) | ||
EllLAX | 140 | 0.01 | [−5.1;5.1] | 15.0 | ±7.2 | 0.95 (0.93–0.97) | ||
Patient Group | Global | ErrSAX | 86 | −0.23* | [−2.1;1.7]§ | 4.1 | ±2.7 | 1.00 (1.0–1.0) |
EccSAX | 86 | −0.16* | [−1.3;1.0] | 4.7 | ±1.6 | 0.99 (0.99–1.0) | ||
EllLAX | 18 | 0.34 | [−1.2;1.9] | 6.3 | ±2.2 | 0.98 (0.95–1.0) | ||
Segm. | ErrSAX | 470 | −0.20 | [−5.7;5.3]§ | 11.7 | ±7.8 | 0.99 (0.99–0.99) | |
EccSAX | 470 | −0.12 | [−3.5;3.2] | 12.9 | ±4.7 | 0.98 (0.98–0.98) | ||
EllLAX | 126 | 0.24 | [−6.9;7.4] | 28.4 | ±10.1 | 0.90 (0.86–0.93) | ||