Table 3. Inter-rater and test–re-test reliabilities of the DPI.
Inter-rater and test–re-test reliabilities (between sessions and within sessions) of the DPI for measuring pelvic tilt on the right and left sides, as assessed by intra-class correlation coefficient (ICC), standard error of measurement (SEM) and minimum difference (MD) to be considered real.
| Inter-rater | Test–re-test (between sessions) | Test–re-test (within sessions) | ||||
|---|---|---|---|---|---|---|
| Right | Left | Right | Left | Right | Left | |
| ICC | 0.81* | 0.88* | 0.85* | 0.65* | 0.88* | 0.95* |
| SEM | 2.2 | 2.0 | 1.9 | 3.4 | 1.7 | 1.1 |
| MD | 6.0 | 5.5 | 5.4 | 9.4 | 4.8 | 2.9 |
Notes.
= significant, p < 0.05.