Responder and non-responder frequency with acute L-dopa challenge
| Group (n) | UPDRS III>20% | FT >20% | WT >20% | Responders | Non-responders | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Responder: defined as a group of patient manifesting > 20% improvement in two or more of the three motor tests after introduction of L-dopa therapy. Non-responder: defined as <10% improvement in two or more of the three motor tests. FT, finger tapping; WT, walking test. | ||||||||||
| DLB (14) | 5 | 4 | 9 | 5 (36%) | 4 (29%) | |||||
| PDD (30) | 16 | 20 | 21 | 21 (70%) | 3 (10%) | |||||
| PD (28) | 14 | 14 | 14 | 16 (57%) | 6 (21%) | |||||