Table 3.
Changes in visual analog scale scores in the full-analysis set
| Hydromorphone group N = 88 | Oxycodone group N = 84 | |
|---|---|---|
| VAS (baseline; mm) | ||
| Mean | 54.8 | 53.9 |
| Standard deviation | 15.44 | 12.09 |
| Minimum | 18 | 36 |
| Median | 50.0 | 51.0 |
| Maximum | 100 | 100 |
| VAS (at completion/discontinuation of treatment; mm) | ||
| Mean | 24.7 | 27.9 |
| Standard deviation | 22.11 | 21.05 |
| Minimum | 0 | 0 |
| Median | 18.0 | 26.0 |
| Maximum | 85 | 89 |
| VAS (change from baseline to completion/discontinuation of treatment; mm) | ||
| Mean | −30.0 | −26.0 |
| Standard deviation | 24.12 | 23.65 |
| Minimum | −85 | −100 |
| Median | −33.5 | −23.0 |
| Maximum | 31 | 26 |
| Least squares meana | −29.7 | −26.4 |
| Difference in least squares meana | −3.4 | |
| 95% confidence interval for the difference | [−9.8, 3.1] | |
| P value | 0.3057 | |
Analysis of covariance (explanatory variable: baseline VAS, groups).
ahydromorphone group − oxycodone group.
VAS, visual analog scale.