| All patients (n = 17) | Responders (n = 9) | Non-responders (n = 8) | |
| Baseline | 14.9 ± 4.9 | 15.3 ± 5.5 | 14.4 ± 4.4 |
| 3 Months | 12.2 ± 4.5* | 12.1 ± 4.3* | 12.3 ± 5.0 |
| 6 Months | 10.4 ± 3.7†‡ | 9.1 ± 3.1†‡ | 12.0 ± 4.1† |
*p<0.05 baseline versus 3 months, †p<0.05 baseline versus 6 months, ‡p<0.05 3 months versus 6 months.