Table 4 Deviations of the coordinate systems. Manual method’s deviation (MMD) (n = 400), ITP method’s deviation (ITPMD) (n = 20), p values of the Wilcoxon rank-sum test (α = 0.05).
From: A robust method for automatic identification of landmarks on surface models of the pelvis
CS | Rotation | MMD [°] | ITPMD [°] | p value | ||||
|---|---|---|---|---|---|---|---|---|
Median | IQR (Q1 to Q3) | Range (min. to max.) | Median | IQR (Q1 to Q3) | Range (min. to max.) | |||
APP | Pelvic Tilt | −0.1 | 0.9 (−0.6 to 0.3) | 8.4 (−4.7 to 3.7) | −0.7 | 1.2 (−1.3 to −0.1) | 4.0 (−3.6 to 0.3) | <0.05 |
Pelvic Bend | 0 | 0.8 (−0.5 to 0.4) | 5.9 (−3.5 to 2.4) | −0.1 | 1.2 (−0.4 to 0.7) | 2.7 (−0.9 to 1.8) | 0.73 | |
Pelvic Rot. | 0 | 0.3 (−0.1 to 0.2) | 3.9 (−1.1 to 2.8) | 0 | 0.1 (−0.1 to 0.1) | 0.8 (−0.5 to 0.3) | 0.83 | |
SISP | Pelvic Tilt | −0.1 | 2.0 (−1.3 to 0.7) | 10.8 (−7.3 to 3.4) | −0.9 | 1.2 (−1.3 to −0.2) | 4.7 (−3.6 to 1.0) | 0.06 |
Pelvic Bend | 0 | 0.8 (−0.5 to 0.4) | 6.0 (−3.6 to 2.4) | −0.1 | 1.2 (−0.4 to 0.7) | 2.7 (−0.9 to 1.8) | 0.73 | |
Pelvic Rot. | 0 | 0.3 (−0.1 to 0.2) | 3.4 (−1.0 to 2.4) | 0 | 0.1 (−0.1 to 0.1) | 0.8 (−0.5 to 0.3) | 0.75 | |
