Table 5 Responsiveness; ability of the DHI-N change scores to discriminate between participants reported to be 'improved' versus 'unchanged' on the Disability scale (n = 63, sample 1).
DHI-N change | Baseline scores Mean (SD) | Test 2 scores Mean (SD) | Change scores Mean (SD) | Smallest Detectable Difference | Area under the ROC curve (95% CI) | ROC cut-off point: MIC-ROC |
|---|---|---|---|---|---|---|
Improved | 42.70 (15.14) | 24.40 (14.93) | 18.30 (12.64) | 19.67 | 0.83 | 11 |
Unchanged | 38.23 (19.55) | 34.05 (18.93) | 4.19 (9.47) | Â | (0.71 - 0.94) | Â |