Table 1
Distribution, internal consistency, validity, and responsiveness of the motor subscale of the functional independence measure (FIM), original 10 item Barthel index (BI), and 5 item BI (BI-5)
| FIM motor subscale | BI | BI-5 | ||||
|---|---|---|---|---|---|---|
| Admission | Discharge | Admission | Discharge | Admission | Discharge | |
| *FIM motor subscale versus BI-5; †FIM motor subscale versus BI; ‡BI versus BI-5. ICC, intraclass correlation coefficient. | ||||||
| Distribution | ||||||
| Floor/ceiling effect (%) | 5.8/0 | 3.5/0 | 18.2/0 | 4.7/0 | 46.6/0 | 13.6/0 |
| Median (inter-quartile range) | 28 (18–35) | 43 (32–54) | 5 (1.5–8) | 10 (6–13) | 1 (0–1) | 4 (1–5) |
| Reliability | ||||||
| Cronbach α | 0.88 | 0.91 | 0.84 | 0.85 | 0.71 | 0.73 |
| Concurrent validity | ||||||
| Spearman correlation coefficient | 0.74* | 0.92* | 0.92† | 0.94† | 0.74‡ | 0.94‡ |
| ICC | 0.55* | 0.86* | 0.83† | 0.87† | 0.36‡ | 0.74‡ |
| Responsiveness | ||||||
| Standardised response mean | 1.3 | 1.2 | 1.2 | |||
| Change scores relation | 0.75* | 0.88† | 0.78‡ | |||
| Wilcoxon Z (p value) | 7.5 (<0.001) | 7.4 (<0.001) | 7 (<0.001) | |||
