Table 1 Fit of the modified version of Postural Assessment Scale for Stroke Patients (SwePASS) to the Rasch model
Analysis | Item fit residual mean (SD) | Person fit residual mean (SD) | x2 | DF | P | PSI | % tests | 95% CI |
|---|---|---|---|---|---|---|---|---|
1. All items | -0.41 (0.66) | -0.16 (0.20) | 34.78 | 24 | 0.07 | 0.97 | 3.33 | -0.002-0.068 |
2. Rescoring | -0.33 (0.51) | -0.14 (0.18) | 24.90 | 24 | 0.41 | 0.96 | 3.33 | -0.002-0.068 |
3. Dealing with local dependency | -0.33 (0.55) | -0.14 (0.18) | 22.79 | 22 | 0.41 | 0.96 | 2.5 | 0.025-0.095 |
Ideal values | 0.00 (1.0) | 0.00 (1.0) | >0.05* | >0.90 | <5.00 | Lower bound <0.05 |