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| Sites of Progression | Treatment | P | |
|---|---|---|---|
| Interferon n=102 (63%) | Antivascular Therapy n=60 (37%) | ||
| Old sites only | 77 (75) | 43 (72) | 1.0 |
| New sites only | 4 (4) | 11 (18) | .012 |
| Both old and new sites | 21 (21) | 6 (10) | .39 |
| Solitary sites | 49 (48) | 31 (52) | .656 |
| Multiple sites | 53 (52) | 29 (48) | |
