Visual analogue scale (VAS) scores of 1145 patients
| Poor response(>2 point BI loss) | No change(−1 to 1 point BI change) | Minimal response(2 to 4 point BI gain) | Moderate response(5 to 7 point BI gain) | Good response(>8 point BI gain) | Overall | |
|---|---|---|---|---|---|---|
| BI, Barthel Index. | ||||||
| No | 13 | 305 | 364 | 237 | 226 | 1145 |
| Perceived VAS benefit | ||||||
| Mean (SD) Range | 8.2 (1.7)0 to 10.0 | 7.7 (2.2)0.4 to 10.0 | 8.0 (2.1)0 to 10.0 | 8.4 (2.0)1.3 to 10.0 | 8.8 (1.6)0 to 10.0 | 8.2 (2.0)0 to 10.0 |
| VAS change in problem | ||||||
| Mean (SD) Range | 2.5 (1.5)−0.5 to 8.4 | 2.4 (2.7)−5.1 to 10.0 | 3.0 (2.8)−4.2 to 10.0 | 3.5 (3.0)−5.7 to 9.4 | 4.1 (2.8)−6.1 to 10.0 | 3.2 (2.9)−6.1 to 10.0 |