Comparison of Mean Scores
| Paired differences | ||||
| Type of score | Mean | SD | 95% confidence interval of difference | P |
| Mean pain (baseline) – mean pain (week 4) | 2.7 | 1.2 | 1.8 to 3.6 | <0.001 |
| Mean pain (baseline) – mean pain (week 8) | 4.6 | 1.1 | 3.8 to 5.4 | <0.001 |
| Mean pain (baseline) – mean pain (week 12) | 6.7 | 1.3 | 5.8 to 7.7 | <0.001 |
| Karnofsky (baseline) – Karnofsky (week 4) | −24 | 6.9 | −29 to −18.9 | <0.001 |
| Mobility (baseline) – mobility (week 4) | 1.6 | 0.6 | 1.1 to 2.1 | <0.001 |