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Preoperative background characteristics and medications of groups I and D
| Group I | Group D | P value | |
|---|---|---|---|
| Onset age (years) | 48.3 ± 8.0 | 52.2 ± 9.5 | 0.041* |
| Disease duration (years) | 10.4 ± 4.3 | 12.3 ± 6.2 | 0.24 |
| Age at surgery (years) | 58.7 ± 6.7 | 64.5 ± 7.9 | 0.002* |
| LED (mg) | 606.8 ± 278.5 | 729.3 ± 345.6 | 0.16 |
| L-dopa dose (mg) | 437.9 ± 212.3 | 500.3 ± 243.4 | 0.37 |
Statistically significant. LED: levodopa-equivalent dose.
