| Schwab and England scale | |
|---|---|
| Study | |
| Guttman 1997 | Details not available but no significant difference between pramipexole and placebo arms |
| Lieberman 1997 | Off phase: Mean improvement on pramipexole 9% v placebo ‐1% (p=0.0009) On phase: Mean improvement on pramipexole 2% v placebo ‐1% (p=0.01) |
| Pinter 1999 | Not available |
| Wermuth 1998 | Not available |
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